Course words Morphemes Train on Membean Enrichment Blooket 50 roots 25 prefixes 25 suffixes Choose a suffix -able / -ible (adjective) — able to be; fit for -al (adjective / noun) — related to; an action or result -ance / -ence (noun) — a state, action, or quality -ate (verb) — make; act; perform -dom (noun) — a state, realm, or condition -ed (verb / adjective) — past action; resulting condition -en (verb / adjective) — make; made of -er / -or (noun) — a person or thing that acts -ful (adjective) — full of; characterized by -ic / -ical (adjective) — related to; characterized by -ify (verb) — make; cause to become -ing (verb / noun / adjective) — ongoing action; activity; related quality -ion / -ation / -ition (noun) — an action, process, or result -ism (noun) — a system, practice, or belief -ist (noun / adjective) — a participant, supporter, or related quality -ity / -ty (noun) — a state or quality -ive (adjective) — having a tendency, function, or quality -ize (verb) — make; become; treat as -less (adjective) — without -ly (adverb / adjective) — in a manner; having a quality -ment (noun) — an action, result, or condition -ness (noun) — a state or quality -ous / -ious (adjective) — having or full of a quality -ship (noun) — a status, relationship, or practice -y (adjective / noun) — having a quality; a state or activity
-ion / -ation / -ition (noun) an action, process, or result 3 words Choose parts from left to right. The available endings change with your choices.
construction noun The process of building or creating something.
Example sentence The construction of our model bridge required careful measurements and strong joints.
How these word families work A root carries a core meaning. Prefixes and suffixes change it. Some families use related base spellings. Check the finished word’s definition: a word’s meaning is more than a sum of its parts.
Each matrix includes real words. A dimmed part cannot continue your current path in this collection. Suffix labels show the part of speech they form. A spelling note explains changes such as dropping a final e.
These are shared practice families. Your College Prep words of the day and chapter vocabulary stay in Course words.
Compare the completed words and their jobs in the example sentences.
Word-part references:
Matrix approach: Neil Ramsden’s word matrices .
All word-family examples -ion / -ation / -ition (noun) — an action, process, or result construction (noun) The process of building or creating something.
The construction of our model bridge required careful measurements and strong joints.
migration (noun) Movement of people from one place to another.
The documentary follows a family's migration from a small town to a larger city.
definition (noun) A statement that sets out a meaning or category.
The glossary's definition of a polygon explains why a circle does not qualify.
-ment (noun) — an action, result, or condition enactment (noun) The process of making a proposal into law.
The news podcast explained how the enactment of a new safety law would affect amusement parks.
commitment (noun) A pledge or sustained dedication to something.
Learning the violin requires a commitment to practice even when a piece feels difficult.
movement (noun) Organized activity directed toward a shared goal.
Students started a movement to reduce food waste in the cafeteria.
-ness (noun) — a state or quality weakness (noun) A lack of strength or power.
The bridge's weakness was a loose joint that bent under the test weight.
awareness (noun) Knowledge or recognition of something.
Checking my screen-time report increased my awareness of how often I reached for my phone.
whiteness (noun) The social status or identity of being classified as white.
The film explores how the main character's whiteness shapes others' expectations of her.
-ity / -ty (noun) — a state or quality humanity (noun) The quality of being human, or people considered together.
The space movie imagines humanity working together to protect Earth from an asteroid.
responsibility (noun) A duty or an obligation to answer for one’s actions.
Feeding our class fish is my responsibility this week.
liberty (noun) Freedom from oppressive control, with room to act and make choices.
The game gives players the liberty to explore the map in any order they choose.
-er / -or (noun) — a person or thing that acts laborer (noun) A person who performs work, especially physical work.
A laborer carried bricks and mixed cement for the new community theater.
reporter (noun) A person who gathers and communicates news.
The school newspaper's reporter interviewed the robotics team after its victory.
oppressor (noun) A person or group that exercises unjust power over others.
In the fantasy novel, the villagers unite against an oppressor who controls their work and punishes disagreement.
-ist (noun / adjective) — a participant, supporter, or related quality activist (noun) A person who works deliberately for political or social change.
A young environmental activist persuaded the school to install refillable water stations.
socialist (noun) A person who supports social or public control of production.
The fictional candidate is a socialist who supports public ownership of the city's power company.
racist (adjective) Supporting or expressing racial hierarchy or discrimination.
The team removed a racist message from its fan forum and supported the player it targeted.
-ism (noun) — a system, practice, or belief racism (noun) Ideas or systems that rank racial groups and maintain unequal power or treatment.
The gaming platform introduced reporting tools to help players challenge racism in voice chat.
socialism (noun) A range of ideas favoring social or public ownership and control of production.
The podcast's discussion of socialism asked whether important industries should be owned and controlled by the public.
activism (noun) Organized effort to bring about political or social change.
Student activism helped the school replace disposable lunch trays with reusable ones.
-ance / -ence (noun) — a state, action, or quality dominance (noun) A position of greater power or influence.
The studio's dominance of the streaming charts gave it considerable influence over what audiences watched.
acceptance (noun) Agreement to recognize or go along with something.
The team's acceptance of the new schedule allowed rehearsals to begin.
dependence (noun) Reliance on another person or condition.
My dependence on phone reminders became obvious when the battery died.
-ship (noun) — a status, relationship, or practice citizenship (noun) Membership in a political community with associated rights and duties.
The novel follows a teenager who applies for citizenship in the country where her family now lives.
ownership (noun) The condition of having something as property.
The receipt helped establish her ownership of the missing bicycle.
leadership (noun) The work of guiding or organizing others.
Good leadership helped our robotics team divide the work and listen to everyone's ideas.
-dom (noun) — a state, realm, or condition freedom (noun) The condition of being free, including the ability to act independently.
Finishing my chores gave me the freedom to choose how to spend the afternoon.
kingdom (noun) A country or territory ruled by a king or queen.
The fantasy game takes place in a kingdom ruled by a young queen.
serfdom (noun) A system that binds agricultural workers to a lord’s land.
In the fantasy novel, serfdom prevents farming families from leaving the lord's land to seek work elsewhere.
-al (adjective / noun) — related to; an action or result structural (adjective) Connected to how a system is organized.
The club's structural problem was that one leader made every decision while other members had no voice.
formal (adjective) Official or governed by established rules.
The team submitted a formal request to change its practice schedule.
referral (noun) The act of directing someone or something to another authority or source.
The school counselor's referral connected me with a free tutoring program.
-ic / -ical (adjective) — related to; characterized by civic (adjective) Connected to participation in a community’s public life.
Helping organize a neighborhood cleanup is a form of civic participation.
politic (adjective) Prudent or calculated to advance an interest.
It was politic to thank both teammates for their ideas before proposing a compromise.
political (adjective) Connected to governing and the distribution of public power.
A singer's call for changes to voting rules is a political statement.
-ive (adjective) — having a tendency, function, or quality constructive (adjective) Helping to build, improve, or solve something.
Her constructive feedback explained how I could make the introduction clearer.
active (adjective) Taking part or doing something.
I became an active member of the club by helping plan events instead of only attending them.
oppressive (adjective) Imposing unjust control or heavy burdens.
The fantasy school's oppressive rules punish students for questioning even unfair decisions.
-ous / -ious (adjective) — having or full of a quality clamorous (adjective) Expressing noisy or insistent demands.
The clamorous fans kept shouting for their favorite song.
laborious (adjective) Requiring difficult or sustained effort.
Building the tiny model from hundreds of pieces was a laborious task.
autonomous (adjective) Able to govern oneself or make independent decisions.
The student newspaper is autonomous and chooses its own stories without approval from another club.
-ful (adjective) — full of; characterized by respectful (adjective) Showing consideration for someone’s dignity or rights.
A respectful audience listens quietly while someone is performing.
powerful (adjective) Having substantial ability to affect others or events.
A powerful serve can force a tennis opponent to move quickly.
hopeful (adjective) Feeling that a desired outcome is possible.
After improving my practice score, I felt hopeful about the next quiz.
harmful (adjective) Causing damage or injury.
Listening to very loud music for long periods can be harmful to your hearing.
-less (adjective) — without powerless (adjective) Lacking the ability to control a situation.
With the internet down, I felt powerless to reconnect our online game.
landless (adjective) Without land to own or cultivate independently.
The gardening club invited landless city residents to grow vegetables in shared plots.
homeless (adjective) Without a stable place to live.
After a fire left the family homeless , neighbors helped them find temporary housing.
-able / -ible (adjective) — able to be; fit for predictable (adjective) Able to be reasonably expected.
The game's predictable enemy always attacks from the same doorway.
removable (adjective) Able to be taken away or displaced.
The keyboard has a removable cover that makes cleaning easier.
credible (adjective) Supported well enough to deserve belief.
A science video's claim is more credible when it explains the experiment and shows the data.
legible (adjective) Clear enough to be read.
Write the lab labels in large, legible letters so nobody mixes up the samples.
-y (adjective / noun) — having a quality; a state or activity wealthy (adjective) Having abundant money or valuable property.
A wealthy musician donated money to buy instruments for the school band.
needy (adjective) Lacking resources necessary to meet basic needs.
The neighborhood pantry provides groceries to needy families who cannot afford enough food.
risky (adjective) Involving a possibility of harm or loss.
Skipping every rehearsal is a risky way to prepare for a concert.
autonomy (noun) The ability of a people or institution to govern itself.
The robotics team has the autonomy to choose its own design and divide its own work.
-ly (adverb / adjective) — in a manner; having a quality actively (adverb) By taking deliberate action or participating.
I listened actively by asking questions and checking that I understood my partner's idea.
formally (adverb) In an official or formally recognized way.
The principal formally approved the new chess club at Monday's meeting.
collectively (adverb) Together as a group.
The class collectively decided to donate its fundraiser money to the animal shelter.
friendly (adjective) Showing kindness or goodwill.
A friendly teammate introduced herself and helped me find the locker room.
-ate (verb) — make; act; perform dictate (verb) To impose a decision or command.
One player's preferences should not dictate every decision our team makes.
collaborate (verb) To work together toward a shared goal.
The drummer and singer will collaborate to write the new chorus.
elaborate (verb) To explain something more fully or develop it in detail.
Can you elaborate on how your design keeps the egg from breaking?
-ize (verb) — make; become; treat as humanize (verb) To show or recognize someone’s human qualities and dignity.
Interviews about a celebrity's mistakes and friendships can humanize someone fans usually see only onstage.
dehumanize (verb) To portray or treat people as lacking full human worth.
Cruel online comments can dehumanize a player by treating them as a target instead of a person.
normalize (verb) To make a practice or condition seem ordinary and acceptable.
Sharing our rough drafts can normalize making mistakes while learning.
-ify (verb) — make; cause to become justify (verb) To give reasons that present an action or claim as right or reasonable.
I used my practice scores to justify moving to a more difficult piano piece.
rectify (verb) To put something right or correct a wrong.
I need to rectify the spreadsheet error before we calculate the team's average score.
simplify (verb) To make less complicated.
Drawing a diagram can simplify a complicated word problem.
classify (verb) To place people or things into categories.
We can classify these rocks by their texture and how they formed.
-en (verb / adjective) — make; made of strengthen (verb) To make stronger.
Regular practice can strengthen the connection between reading music and moving your fingers.
weaken (verb) To make less strong.
Too much water can weaken the cardboard bridge before the test begins.
widen (verb) To make broader or greater in extent.
We need to widen the game's doorway so the larger character can fit through it.
wooden (adjective) Made of wood.
The wooden drumsticks made a sharp tapping sound against the desk.
-ed (verb / adjective) — past action; resulting condition excluded (verb) Kept someone or something out; past tense of exclude.
The team excluded the broken sensor from its final robot design.
constructed (verb) Built or created; past tense of construct.
Our group constructed a model bridge from paper and tape.
oppressed (adjective) Subjected to unjust power or treatment.
The fantasy novel's oppressed villagers risk punishment whenever they question their ruler.
-ing (verb / noun / adjective) — ongoing action; activity; related quality organizing (verb) Working to bring people together for action; an -ing verb form.
Our club is organizing students to campaign for a safer bicycle route to school.
reading (noun) The activity of making meaning from written language.
Reading for a few minutes before bed helps me relax.
housing (noun) Homes or living accommodations.
The university provides housing for students who attend its summer science camp.
domineering (adjective) Overbearingly controlling other people.
Her domineering partner insisted on choosing every scene for their film.