Course words Morphemes Train on Membean Enrichment Blooket 50 roots 25 prefixes 25 suffixes Choose a prefix anti- — against auto- — self co- / con- / com- / col- / cor- — together; sometimes intensifies de- — away; down; reverse dis- — apart; opposite; reverse en- / em- — put into; make ex- — out; away fore- — before; in front in- / im- / il- / ir- — not inter- — between; among intra- — within mis- — wrongly; badly multi- — many non- — not over- — too much; above post- — after pre- — before pro- — forward; before re- — again; back semi- — partly; half sub- — under super- — above; beyond trans- / tran- — across; through un- — not; reverse under- — below; too little
un- not; reverse 3 words Choose parts from left to right. The available endings change with your choices.
unjust adjective Unfair or contrary to what people are owed.
Example sentence It would be unjust to punish the whole team for one player's deliberate mistake.
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 un- — not; reverse unjust (adjective) Unfair or contrary to what people are owed.
It would be unjust to punish the whole team for one player's deliberate mistake.
unequal (adjective) Different in amount, status, or opportunity under a relevant standard.
The two friends received unequal portions of pizza: one got a slice and the other got three.
uncivil (adjective) Impolite or disrespectful toward others.
The discussion became uncivil when players stopped explaining their ideas and started insulting one another.
re- — again; back reconstruct (verb) To build again or piece together an account of the past.
The detective used security footage to reconstruct what happened before the necklace disappeared.
reform (verb) To change a practice or institution in order to improve it.
The league wants to reform its tryout process so judges use the same standards for every player.
reclaim (verb) To take back something previously held or lost.
Visit the lost-and-found office to reclaim the jacket you left in the gym.
redirect (verb) To change the course or focus of something.
A mirror can redirect a beam of light toward the opposite wall.
in- / im- / il- / ir- — not inaction (noun) Failure to take action.
Our inaction after the first leak allowed water to damage more of the ceiling.
immovable (adjective) Unable or unwilling to be moved or changed.
The game's immovable stone wall forces players to find another route.
illegible (adjective) Too unclear to read reliably.
The handwritten password was illegible , so I asked its owner to print it more clearly.
irresponsible (adjective) Failing to consider duties or the consequences of an action.
It would be irresponsible to leave the lab's heat source on after everyone goes home.
dis- — apart; opposite; reverse disrespect (noun) A failure to recognize someone’s dignity or rights.
Laughing at a teammate's accent shows disrespect and can make the team feel unsafe.
disrupt (verb) To interrupt the normal operation of something.
A sudden loss of internet service can disrupt an online tournament.
discredit (verb) To damage belief or trust in a person, claim, or institution.
A screenshot showing that the image was edited could discredit the rumor about the singer.
dislocation (noun) A serious disruption of people’s place, relationships, or usual way of life.
In the film, the family's sudden move causes dislocation as the children lose familiar routines and friendships.
non- — not nondominant (adjective) Not holding the greatest power or influence.
The game's nondominant faction has fewer allies but can still win through careful planning.
nonviolent (adjective) Using methods that avoid physical violence.
The superhero uses nonviolent methods, solving the conflict through conversation instead of a fight.
nonwhite (adjective) Classified outside the racial category white.
The film club chose movies featuring nonwhite lead actors whose characters have varied goals and personalities.
noncitizen (noun) A person who does not hold citizenship in a particular country.
The documentary follows a noncitizen athlete who lives and trains in a country where she does not hold citizenship.
pre- — before predict (verb) To state what is likely to happen.
Use the pattern in the first four numbers to predict the fifth number.
prescribe (verb) To set out a required rule or course of action.
A doctor may prescribe a course of physical therapy to help an athlete recover from an injury.
precede (verb) To happen or come before something else.
A short warm-up should precede the team's hardest exercise drills.
post- — after postwar (adjective) Occurring after a war.
The film's postwar scenes show a musician returning home and rebuilding a concert hall after the fighting ends.
postcolonial (adjective) Following a period of colonial rule.
The literature club reads a postcolonial novel about family life after the country's colonial rulers have left.
postemancipation (adjective) Occurring after people are freed from slavery.
The documentary follows a family's postemancipation search for education after its members are freed from slavery.
anti- — against antiracist (adjective) Challenging racial hierarchy, discrimination, or unequal power.
The team's antiracist campaign challenges discriminatory fan behavior and demands equal treatment for every player.
anticolonial (adjective) Opposing colonial rule.
The novel's anticolonial message supports a community's struggle to end rule by a foreign empire.
antislavery (adjective) Opposing the institution of slavery.
The drama's antislavery message condemns the practice of treating human beings as property.
pro- — forward; before project (verb) To estimate or imagine something in the future.
We can project next month's savings by assuming we continue to save ten dollars each week.
produce (verb) To make, create, or bring about something.
Solar panels produce electricity when light reaches their cells.
prospect (noun) A possibility or expectation concerning the future.
The prospect of performing onstage makes me nervous and excited at the same time.
inter- — between; among interrupt (verb) To stop something temporarily or break into its progress.
Please do not interrupt the video until the demonstration is finished.
interracial (adjective) Involving people identified as belonging to different racial groups.
The movie follows an interracial friendship between two musicians who learn to trust each other.
international (adjective) Involving more than one country.
The international gaming tournament brought together teams from twelve countries.
intra- — within intraracial (adjective) Occurring within a racial group.
The film explores an intraracial disagreement between characters who share a racial identity but have different goals.
intraethnic (adjective) Occurring within an ethnic group.
The documentary records intraethnic debates about music among people from the same ethnic community.
intragroup (adjective) Occurring within one group.
Our band's intragroup discussion focused on how its own members would divide the solos.
trans- / tran- — across; through transport (verb) To carry people or goods from one place to another.
A van will transport our band and its instruments to the concert.
transform (verb) To change something substantially.
Adding drums and a bass line can transform a quiet melody into a dance track.
transfer (verb) To move something from one owner, place, or person to another.
Use the cable to transfer your photos from the camera to the computer.
transcribe (verb) To put spoken or written words into another written record.
We will transcribe the interview so readers can follow the musician's exact words.
sub- — under subject (verb) To force someone to experience a condition or treatment.
Do not subject your teammates to insults when a match goes badly.
submit (verb) To yield to authority or present something for consideration.
Please submit your design to the contest before the deadline.
subvert (verb) To undermine the power or operation of an established system.
Players who secretly alter scores can subvert the tournament's ranking system.
subservient (adjective) Subordinate to another’s wishes or purposes.
A subservient teammate agrees to every demand, even when the captain's plan seems unfair.
super- — above; beyond superhuman (adjective) Beyond ordinary human capacities.
The comic-book hero uses superhuman strength to lift an entire bus.
superpower (noun) A country with exceptionally great international power.
In the strategy game, a small country becomes a superpower with influence over nearly every other nation.
superimpose (verb) To place one thing over another.
The video editor will superimpose the song lyrics over footage of the band performing.
over- — too much; above overwork (verb) To require someone to work too much.
A coach should not overwork injured players by demanding extra drills before they have recovered.
overproduction (noun) Making more goods than can be sold under existing conditions.
The bakery's overproduction left fifty cupcakes unsold after the concert ended.
overcrowded (adjective) Containing more people than a space can comfortably hold.
The overcrowded practice room left the musicians with barely enough space to hold their instruments.
under- — below; too little underpay (verb) To pay less than a fair or appropriate amount.
The studio should not underpay young artists by offering less than the agreed rate for their work.
underpayment (noun) Payment below a fair or appropriate amount.
The dancer reported an underpayment after receiving only half the fee promised in her contract.
undervalue (verb) To treat something as less valuable than it is.
Do not undervalue sleep; feeling rested helps you pay attention during practice.
mis- — wrongly; badly misread (verb) To read or interpret incorrectly.
I can misread a small minus sign as a plus sign when I rush through a problem.
mistreat (verb) To treat someone badly or unfairly.
A team should not mistreat a beginner for needing more time to learn the controls.
misrepresent (verb) To give a false or misleading account of something.
A trailer can misrepresent a game by showing features that are not actually available to players.
co- / con- / com- / col- / cor- — together; sometimes intensifies construct (verb) To build or create something.
Our robotics team will construct a bridge from cardboard and test how much weight it holds.
collaborate (verb) To work together toward a shared goal.
The drummer and singer will collaborate to write a rhythm that fits the lyrics.
compose (verb) To put parts together into a whole.
We will compose a song by combining a melody, a bass line, and a drum pattern.
correspond (verb) To exchange messages or be in agreement.
The two musicians correspond by email while writing songs from different cities.
de- — away; down; reverse deport (verb) To remove someone from a country through government action.
In the film, officials threaten to deport the singer before her final concert.
dehumanize (verb) To portray or treat people as lacking full human worth.
Cruel online comments can dehumanize a celebrity by treating her as an object instead of a person.
deduce (verb) To reach a conclusion by reasoning from evidence.
From the wet umbrella and muddy shoes, I could deduce that it had been raining outside.
ex- — out; away export (verb) To send goods to another country for sale.
The company will export its headphones to stores in several other countries.
extract (verb) To take or draw something out of a larger source.
In the lab, we used a filter to extract solid particles from the muddy water.
expose (verb) To reveal something previously hidden or overlooked.
Checking the original image can expose edits that make a fake screenshot look real.
extend (verb) To make something reach farther or last longer.
Adding another cable will extend the microphone's reach across the stage.
en- / em- — put into; make enact (verb) To make a proposal into law.
The city council could enact a law requiring safer bike lanes near schools.
enslave (verb) To force someone into slavery.
In the fantasy novel, the villain plans to enslave the villagers and force them to work in his mines.
empower (verb) To give someone greater ability to act.
Learning to repair my own bicycle can empower me to solve problems without waiting for someone else.
fore- — before; in front foresee (verb) To recognize what may happen before it happens.
The organizers did not foresee that so many fans would arrive before the doors opened.
forewarn (verb) To warn about a coming danger.
A low-battery alert can forewarn players that their controller may soon stop working.
foretell (verb) To say or indicate what will happen before it happens.
In the fantasy game, the oracle claims to foretell which hero will defeat the dragon.
auto- — self autobiography (noun) An account of a person’s life written by that person.
The singer's autobiography describes her childhood, first performances, and struggle to finish her first album.
autonomy (noun) The ability of a people or institution to govern itself.
The student newspaper has autonomy to choose its own stories without the principal selecting them.
autonomous (adjective) Able to govern oneself or make independent decisions.
The club is autonomous : its members elect leaders and decide how to spend its budget.
semi- — partly; half semiskilled (adjective) Requiring some training but less than a highly specialized trade.
The stage job is semiskilled , requiring basic equipment training but not the expertise of a sound engineer.
semiautonomous (adjective) Having some power to govern oneself, within larger limits.
The semiautonomous robotics club chooses its projects, but the school must approve major purchases.
semipermanent (adjective) Lasting for a substantial time without being completely permanent.
The stage crew built a semipermanent set that could stay up for the whole season and come down afterward.
multi- — many multiracial (adjective) Including people identified with more than one racial group.
The multiracial cast includes actors who identify with several different racial groups.
multilingual (adjective) Using or involving more than one language.
The game's multilingual menu lets players choose among English, Spanish, Arabic, and other languages.
multicultural (adjective) Involving more than one cultural group.
The multicultural music festival features performers sharing traditions from several cultural communities.
multiethnic (adjective) Including people from more than one ethnic group.
The film follows a multiethnic group of friends whose families come from several ethnic communities.