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Detail of Roger Shimomura’s Shimomura Crossing the Delaware.
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Morphology lessonsRoots

Roots List 3

Lead, make, hold, bend, turn, and fold

Decode how familiar academic words describe making, holding, and changing direction.

7 targets with matricesBuild, compare, and explain10 mastery checks

THE GIST

The idea behind these word parts

Related roots may change spelling. Produce, production, and productive belong to one family even though duce becomes duct.

Go deeper · how the parts work in context

Produce means make or bring about. Production names the process; productive describes something that produces useful results. The historical lead clue in duc/duct connects the family, but the complete words have more specific meanings.

pro + duct + ive → productive

Their productive meeting ended with an agreed plan.

Productive describes something that produces useful results.

Word parts suggest a meaning; the sentence helps confirm it. If the clues are not enough, check a dictionary.

EXPLORE THE WORD PARTS

Meaning, connections, and practice

Choose a word part. Read its gist, explore its map and matrix, then answer its three checks. Open the extra explanation whenever you need it.

How to use a matrix

Leading part + base + ending → word. Choose cells from left to right. Only paths that make one of the listed words are enabled. means no part is added.

The center can be a root or a whole word. Some cells contain combining forms or grouped endings. Related bases can change spelling, as in scribe/script or mit/miss; follow the spelling notes.

Keep a word for comparison, then select another word to see which parts and meanings changed.

01

duc/duct

lead

The gist: conduct means lead or guide. The clue duc/duct connects it to lead.

Why it works · examples & details

The shared clue is the core meaning: lead. Compare conduct (lead or guide) with aqueduct (a structure that leads water). The complete word’s definition is more specific than the word-part clue.

pro + duce → produce
To make, create, or bring about something. It works as a verb in this example.

In a sentence: Plantation owners depended on workers to produce crops for sale.

The map and matrix show established words. Matching letters alone do not prove a meaningful relationship.

Explore duc/duct · map, matrix & checks
  • conductlead or guide
  • aqueducta structure that leads water
Word-family cluster map: duc/duct

Follow one root into related words. Read each connection and explain how the shared meaning develops. Select a word to load its path in the matrix below.

duc/ductlead
  • pro + duceverb

    To make, create, or bring about something.

    Plantation owners depended on workers to produce crops for sale.

  • pro + duct + ionnoun

    The process of making goods or creating something.

    Sugar production depended on the labor of immigrant workers.

  • pro + duct + iveadjective

    Producing useful results or substantial output.

    Powhatan farmers had already made their land productive before colonists sought to take it.

  • pro + duct + ive + itynoun

    The amount produced in relation to the time or resources used.

    Payment by output pushed garment workers to increase productivity.

    Drop the final silent e before the vowel suffix: productive + ity → productivity.

  • re + pro + duceverb

    To produce again or keep a pattern going.

    Schools could reproduce social inequality when they steered children toward low-paid labor.

  • re + pro + duct + ionnoun

    The process of producing again or maintaining a pattern.

    The reproduction of unequal opportunity depended partly on decisions about schooling.

Explain the connection: “These words share ___. In ___ it helps mean ___; in ___ it helps mean ___.”

Build with duc/duct 6 word paths

duc/duct: lead. Choose parts from left to right, or choose a word below. Dimmed choices do not continue a word in this matrix.

Prefix / leading part

Root or whole base

Suffix / ending

pro + duce → produce

To make, create, or bring about something.

verb

Plantation owners depended on workers to produce crops for sale.

Compare two paths

produce: To make, create, or bring about something.
reproduction: The process of producing again or maintaining a pattern.

Say which parts stay and which change. Explain how the meaning or word job changes.

Read every word sum and meaning
Word sumWordMeaning
pro + duceproduceTo make, create, or bring about something.
pro + duct + ionproductionThe process of making goods or creating something.
pro + duct + iveproductiveProducing useful results or substantial output.
pro + duct + ive + ityproductivityThe amount produced in relation to the time or resources used.
re + pro + ducereproduceTo produce again or keep a pattern going.
re + pro + duct + ionreproductionThe process of producing again or maintaining a pattern.

Check your understanding

Use the map and matrix as needed. A wrong answer gives you a clue; try again or open the explanation.

0 of 3 answered correctly
Which word is built by re + pro + duct + ion?

Which word means “To produce again or keep a pattern going”?

Which word sum builds productivity?

02

fac/fact/fic/fect

do or make

The gist: factory means a place where things are made. The clue fac/fact/fic/fect connects it to do or make.

Why it works · examples & details

The shared clue is the core meaning: do or make. Compare factory (a place where things are made) with manufacture (make goods). The complete word’s definition is more specific than the word-part clue.

fact → fact
A statement about something that can be checked against evidence. It works as a noun in this example.

In a sentence: The fact that Native people cultivated crops undermines the colonists’ description of them as idle.

The map and matrix show established words. Matching letters alone do not prove a meaningful relationship.

Explore fac/fact/fic/fect · map, matrix & checks
  • factorya place where things are made
  • manufacturemake goods
Word-family cluster map: fac/fact/fic/fect

Follow one root into related words. Read each connection and explain how the shared meaning develops. Select a word to load its path in the matrix below.

fac/fact/fic/fectdo or make
  • factnoun

    A statement about something that can be checked against evidence.

    The fact that Native people cultivated crops undermines the colonists’ description of them as idle.

  • fact + ualadjective

    Based on information that can be verified.

    A factual account of John Punch’s sentence must include its difference from the white runaways’ sentences.

  • fact + ual + lyadverb

    In a way that accurately represents verifiable information.

    We describe the punishment factually when we state that John Punch received lifetime servitude.

  • ef + fectnoun

    A result produced by a cause.

    One effect of expensive legal proceedings was the transfer of Mexican land to Anglo owners.

  • ef + fect + iveadjective

    Producing the intended result.

    A strike becomes an effective source of pressure when employers cannot continue production as usual.

  • ef + fect + ive + lyadverb

    In a way that produces a result or achieves a purpose.

    Japanese and Filipino workers challenged plantation production effectively by striking together.

Explain the connection: “These words share ___. In ___ it helps mean ___; in ___ it helps mean ___.”

Build with fac/fact/fic/fect 6 word paths

fac/fact/fic/fect: do or make. Choose parts from left to right, or choose a word below. Dimmed choices do not continue a word in this matrix.

Prefix / leading part

Root or whole base

Suffix / ending

fact → fact

A statement about something that can be checked against evidence.

noun

The fact that Native people cultivated crops undermines the colonists’ description of them as idle.

Compare two paths

fact: A statement about something that can be checked against evidence.
effectively: In a way that produces a result or achieves a purpose.

Say which parts stay and which change. Explain how the meaning or word job changes.

Read every word sum and meaning
Word sumWordMeaning
factfactA statement about something that can be checked against evidence.
fact + ualfactualBased on information that can be verified.
fact + ual + lyfactuallyIn a way that accurately represents verifiable information.
ef + fecteffectA result produced by a cause.
ef + fect + iveeffectiveProducing the intended result.
ef + fect + ive + lyeffectivelyIn a way that produces a result or achieves a purpose.

Check your understanding

Use the map and matrix as needed. A wrong answer gives you a clue; try again or open the explanation.

0 of 3 answered correctly
Which word is built by ef + fect + ive + ly?

Which word means “Producing the intended result”?

Which word sum builds effect?

03

ten/tain/tin

hold

The gist: contain means hold inside. The clue ten/tain/tin connects it to hold.

Why it works · examples & details

The shared clue is the core meaning: hold. Compare contain (hold inside) with retain (hold back or keep). The complete word’s definition is more specific than the word-part clue.

re + tain → retain
To keep something rather than lose or give it up. It works as a verb in this example.

In a sentence: Cherokee leaders sought to retain their homeland and the right to govern it.

The map and matrix show established words. Matching letters alone do not prove a meaningful relationship.

Explore ten/tain/tin · map, matrix & checks
  • containhold inside
  • retainhold back or keep
Word-family cluster map: ten/tain/tin

Follow one root into related words. Read each connection and explain how the shared meaning develops. Select a word to load its path in the matrix below.

ten/tain/tinhold
  • re + tainverb

    To keep something rather than lose or give it up.

    Cherokee leaders sought to retain their homeland and the right to govern it.

  • re + tent + ionnoun

    The act of keeping something.

    The retention of legal rights meant little if authorities refused to enforce them.

  • de + tainverb

    To hold someone and prevent them from leaving.

    The militia’s decision to detain Chief Ross weakened opposition to the removal treaty.

  • de + tent + ionnoun

    The holding of someone under authority so that they cannot leave freely.

    Chief Ross’s detention was part of the coercive process surrounding the treaty.

  • sus + tainverb

    To keep something going or provide what it needs to continue.

    Community support helped sustain striking garment workers.

  • sus + ten + ancenoun

    Food or other support needed to stay alive.

    Burning Native crops attacked a community’s sustenance.

Explain the connection: “These words share ___. In ___ it helps mean ___; in ___ it helps mean ___.”

Build with ten/tain/tin 6 word paths

ten/tain/tin: hold. Choose parts from left to right, or choose a word below. Dimmed choices do not continue a word in this matrix.

Prefix / leading part

Root or whole base

Suffix / ending

re + tain → retain

To keep something rather than lose or give it up.

verb

Cherokee leaders sought to retain their homeland and the right to govern it.

Compare two paths

retain: To keep something rather than lose or give it up.
sustenance: Food or other support needed to stay alive.

Say which parts stay and which change. Explain how the meaning or word job changes.

Read every word sum and meaning
Word sumWordMeaning
re + tainretainTo keep something rather than lose or give it up.
re + tent + ionretentionThe act of keeping something.
de + taindetainTo hold someone and prevent them from leaving.
de + tent + iondetentionThe holding of someone under authority so that they cannot leave freely.
sus + tainsustainTo keep something going or provide what it needs to continue.
sus + ten + ancesustenanceFood or other support needed to stay alive.

Check your understanding

Use the map and matrix as needed. A wrong answer gives you a clue; try again or open the explanation.

0 of 3 answered correctly
Which word is built by sus + ten + ance?

Which word means “To keep something going or provide what it needs to continue”?

Which word sum builds detention?

04

flex/flect

bend

The gist: flexible means able to bend. The clue flex/flect connects it to bend.

Why it works · examples & details

The shared clue is the core meaning: bend. Compare flexible (able to bend) with reflect (bend light back). The complete word’s definition is more specific than the word-part clue.

flex + ible → flexible
Able to bend or adapt. It works as a adjective in this example.

The map and matrix show established words. Matching letters alone do not prove a meaningful relationship.

Explore flex/flect · map, matrix & checks
  • flexibleable to bend
  • reflectbend light back
Word-family cluster map: flex/flect

Follow one root into related words. Read each connection and explain how the shared meaning develops. Select a word to load its path in the matrix below.

flex/flectbend
  • flex + ibleadjective

    Able to bend or adapt.

  • in + flex + ibleadjective

    Not willing or able to bend or change.

  • re + flect + ionnoun

    Light or an image sent back from a surface.

Explain the connection: “These words share ___. In ___ it helps mean ___; in ___ it helps mean ___.”

Build with flex/flect 3 word paths

flex/flect: bend. Choose parts from left to right, or choose a word below. Dimmed choices do not continue a word in this matrix.

Prefix / leading part

Root or whole base

Suffix / ending

flex + ible → flexible

Able to bend or adapt.

adjective

Compare two paths

flexible: Able to bend or adapt.
reflection: Light or an image sent back from a surface.

Say which parts stay and which change. Explain how the meaning or word job changes.

Read every word sum and meaning
Word sumWordMeaning
flex + ibleflexibleAble to bend or adapt.
in + flex + ibleinflexibleNot willing or able to bend or change.
re + flect + ionreflectionLight or an image sent back from a surface.

Check your understanding

Use the map and matrix as needed. A wrong answer gives you a clue; try again or open the explanation.

0 of 3 answered correctly
Which word is built by re + flect + ion?

Which word means “Not willing or able to bend or change”?

Which word sum builds flexible?

05

tort/tors

twist

The gist: contort means twist out of shape. The clue tort/tors connects it to twist.

Why it works · examples & details

The shared clue is the core meaning: twist. Compare contort (twist out of shape) with distortion (a twisted or changed version). The complete word’s definition is more specific than the word-part clue.

con + tort → contort
To twist out of the usual shape. It works as a verb in this example.

The map and matrix show established words. Matching letters alone do not prove a meaningful relationship.

Explore tort/tors · map, matrix & checks
  • contorttwist out of shape
  • distortiona twisted or changed version
Word-family cluster map: tort/tors

Follow one root into related words. Read each connection and explain how the shared meaning develops. Select a word to load its path in the matrix below.

tort/torstwist
  • con + tortverb

    To twist out of the usual shape.

  • dis + tort + ionnoun

    A twisted or misleading version of something.

  • tors + ionnoun

    The action of twisting.

Explain the connection: “These words share ___. In ___ it helps mean ___; in ___ it helps mean ___.”

Build with tort/tors 3 word paths

tort/tors: twist. Choose parts from left to right, or choose a word below. Dimmed choices do not continue a word in this matrix.

Prefix / leading part

Root or whole base

Suffix / ending

con + tort → contort

To twist out of the usual shape.

verb

Compare two paths

contort: To twist out of the usual shape.
torsion: The action of twisting.

Say which parts stay and which change. Explain how the meaning or word job changes.

Read every word sum and meaning
Word sumWordMeaning
con + tortcontortTo twist out of the usual shape.
dis + tort + iondistortionA twisted or misleading version of something.
tors + iontorsionThe action of twisting.

Check your understanding

Use the map and matrix as needed. A wrong answer gives you a clue; try again or open the explanation.

0 of 3 answered correctly
Which word is built by tors + ion?

Which word means “A twisted or misleading version of something”?

Which word sum builds contort?

06

vers/vert

turn

The gist: reverse means turn back. The clue vers/vert connects it to turn.

Why it works · examples & details

The shared clue is the core meaning: turn. Compare reverse (turn back) with convert (turn or change into something else). The complete word’s definition is more specific than the word-part clue.

con + vert → convert
To change something into another form or bring someone to a different belief. It works as a verb in this example.

In a sentence: English promoters presented the plan to convert Native people to Christianity as a purpose of colonization.

The map and matrix show established words. Matching letters alone do not prove a meaningful relationship.

Explore vers/vert · map, matrix & checks
  • reverseturn back
  • convertturn or change into something else
Word-family cluster map: vers/vert

Follow one root into related words. Read each connection and explain how the shared meaning develops. Select a word to load its path in the matrix below.

vers/vertturn
  • con + vertverb

    To change something into another form or bring someone to a different belief.

    English promoters presented the plan to convert Native people to Christianity as a purpose of colonization.

  • con + vers + ionnoun

    A change in form, use, or belief.

    The promise of religious conversion existed alongside demands for Native land.

  • con + vert + ibleadjective

    Able to be changed into another form or use.

    Jefferson treated Native debt as convertible into land for white settlers.

  • con + vert + ible + itynoun

    The ability to be changed into another form or use.

    The convertibility of debt into land made credit a possible instrument of dispossession.

    Before -ity, -ible takes the form -ibil-: convertible + ity → convertibility.

  • di + vertverb

    To turn something away from its course or focus.

    Employers could divert workers’ anger toward other ethnic groups.

  • di + vers + ionnoun

    A redirection of attention, resources, or activity.

    The diversion of anger toward other workers protected the people who controlled wages.

Explain the connection: “These words share ___. In ___ it helps mean ___; in ___ it helps mean ___.”

Build with vers/vert 6 word paths

vers/vert: turn. Choose parts from left to right, or choose a word below. Dimmed choices do not continue a word in this matrix.

Prefix / leading part

Root or whole base

Suffix / ending

con + vert → convert

To change something into another form or bring someone to a different belief.

verb

English promoters presented the plan to convert Native people to Christianity as a purpose of colonization.

Compare two paths

convert: To change something into another form or bring someone to a different belief.
diversion: A redirection of attention, resources, or activity.

Say which parts stay and which change. Explain how the meaning or word job changes.

Read every word sum and meaning
Word sumWordMeaning
con + vertconvertTo change something into another form or bring someone to a different belief.
con + vers + ionconversionA change in form, use, or belief.
con + vert + ibleconvertibleAble to be changed into another form or use.
con + vert + ible + ityconvertibilityThe ability to be changed into another form or use.
di + vertdivertTo turn something away from its course or focus.
di + vers + iondiversionA redirection of attention, resources, or activity.

Check your understanding

Use the map and matrix as needed. A wrong answer gives you a clue; try again or open the explanation.

0 of 3 answered correctly
Which word is built by di + vers + ion?

Which word means “To turn something away from its course or focus”?

Which word sum builds convertibility?

07

plex/plic

fold or weave

The gist: complex means many parts woven together. The clue plex/plic connects it to fold or weave.

Why it works · examples & details

The shared clue is the core meaning: fold or weave. Compare complex (many parts woven together) with complicate (fold or tangle together). The complete word’s definition is more specific than the word-part clue.

com + plex → complex
Made of many connected parts. It works as a adjective in this example.

The map and matrix show established words. Matching letters alone do not prove a meaningful relationship.

Explore plex/plic · map, matrix & checks
  • complexmany parts woven together
  • complicatefold or tangle together
Word-family cluster map: plex/plic

Follow one root into related words. Read each connection and explain how the shared meaning develops. Select a word to load its path in the matrix below.

plex/plicfold or weave
  • com + plexadjective

    Made of many connected parts.

  • com + plex + itynoun

    The state of having many connected parts.

  • com + plic + ateverb

    To make something harder to understand or do.

Explain the connection: “These words share ___. In ___ it helps mean ___; in ___ it helps mean ___.”

Build with plex/plic 3 word paths

plex/plic: fold or weave. Choose parts from left to right, or choose a word below. Dimmed choices do not continue a word in this matrix.

Prefix / leading part

Root or whole base

Suffix / ending

com + plex → complex

Made of many connected parts.

adjective

Compare two paths

complex: Made of many connected parts.
complicate: To make something harder to understand or do.

Say which parts stay and which change. Explain how the meaning or word job changes.

Read every word sum and meaning
Word sumWordMeaning
com + plexcomplexMade of many connected parts.
com + plex + itycomplexityThe state of having many connected parts.
com + plic + atecomplicateTo make something harder to understand or do.

Check your understanding

Use the map and matrix as needed. A wrong answer gives you a clue; try again or open the explanation.

0 of 3 answered correctly
Which word is built by com + plic + ate?

Which word means “The state of having many connected parts”?

Which word sum builds complex?

DECODE · FOLLOW THE CLUES

Use the clue without overtrusting it

A word part gives you a strong clue—not always a complete definition.

  1. Spot the part.Underline the exact letters you recognize.
  2. Recall the clue.Say the meaning you learned for that part.
  3. Test the whole word.Combine the clue with the other parts and the sentence.
Decode aqueduct

Spot aqueduct. The root duc/duct carries the clue lead. Here, it helps you understand: a structure that leads water.

Decode manufacture

Spot manufacture. The root fac/fact/fic/fect carries the clue do or make. Here, it helps you understand: make goods.

Decode retain

Spot retain. The root ten/tain/tin carries the clue hold. Here, it helps you understand: hold back or keep.

MEANING & GRAMMAR

What changes when the word changes?

Compare the meanings, then test which form fits the sentence.

flexible

able to bend or adapt

inflexible

not willing or able to bend or adapt

Explain the difference

Flex keeps bend. In- means not here. The ending -ible stays the same.

Which noun completes the sentence? “Workers produce goods. The ___ of goods requires labor.”

A common mistake—and how to avoid it

Root families can change spelling: produce → production, retain → retention. Learn the related forms together; do not invent a rule that every root keeps identical letters.

QUICK QUIZ · RECALL & APPLY

Recall the parts. Apply the pattern.

Check every target, then complete three applied questions. If you miss one, revisit its matrix and try again. Finish with the new-word challenge below.

0 of 10 checks mastered
1 of 10Which meaning is taught for duc/duct?
2 of 10Which meaning is taught for fac/fact/fic/fect?
3 of 10Which meaning is taught for ten/tain/tin?
4 of 10Which meaning is taught for flex/flect?
5 of 10Which meaning is taught for tort/tors?
6 of 10Which meaning is taught for vers/vert?
7 of 10Which meaning is taught for plex/plic?
8 of 10 · APPLY & REVIEWIn produce, what core meaning does duc/duct contribute?
9 of 10 · APPLY & REVIEWWhich word is built by fact?
10 of 10 · APPLY & REVIEWWhich definition fits retain?

CHECK IN CONTEXT

Make sense of a new word

Use both the word parts and the sentence. Open a hint if you need a starting point.

When dust blew toward her face, she blinked before thinking. It was a reflexive response.

What does reflexive mean in this sentence?

Expand your thinking · explain it or use it
Check your sentence
  • Does the word’s established meaning fit your idea?
  • Does its form fit the grammar of your sentence?
  • Can you identify a meaningful part and explain its contribution?

These optional notes are not saved, graded, or submitted.

COME BACK · RETRIEVE IT AGAIN

Remember after a break

Return in two days, then about a week later. Before opening the notes, recall a meaning, rebuild two words, and use one in a new sentence.

Start with duc/duct. What does it mean? Which two words connect to it?

Check after you recall

duc/duct: lead. For example: conduct and aqueduct. Explain how each connects to the meaning.

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