Latin & Greek Stems and Prefixes

Directions: Read each set of words and guess the meaning of the bolded prefix.

Instrucciones: Lee cada grupo de palabras e intenta adivinar el significado del prefijo en negrita.

Instruções: Leia cada grupo de palavras e tente adivinhar o significado do prefixo em negrito.

지시 사항 : 각 단어 그룹을 읽고 굵게 표시된 접두사의 의미를 추측해 보세요.

Інструкції: Прочитайте кожну групу слів і спробуйте вгадати значення виділеного жирним префікса.

1. abnormal, absent, abstain, absorb
   
   ab- away, from
   
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2. obstacle, obstruct, obscure, obstinate
   
   ob- in the way, toward
   
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3. separate, select, secret, seclude
   
   se- apart, aside
   
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4. perspective, persist, perforate, perspire
   
   per- through, completely
   
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5. introduce, introduction, introspection, intro
   
   intro- inward, into
   
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6. contradict, contrary, contrast, contraband
   
   contra- against, opposite
   
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Directions: Read each pair of sentences and guess the meaning of the bolded root.

Instrucciones: Lee cada par de oraciones e intenta adivinar el significado de la raíz en negrita.

Instruções: Leia cada par de frases e tente adivinhar o significado do radical em negrito.

지시 사항 : 각 문장 쌍을 읽고 굵게 표시된 어근의 의미를 추측해 보세요.

Інструкції: Прочитайте кожну пару речень і спробуйте вгадати значення виділеного жирним кореня.

1. The orchestra conductor leads the musicians with a small stick.
   The Romans built an aqueduct to lead fresh water into the city.
   duc/duct: lead
   
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2. The volcano ejected hot rocks and ash high into the sky.
   A movie projector throws light onto a large screen.
   ject: throw
   
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3. Farmers look for fertile land that will bear, or bring, plenty of crops.
   The movers will transfer all our boxes, carrying them across town to the new apartment.
   fer: carry, bring
   
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4. The driver put the car in reverse and backed out of the parking space.
   Invert the cake pan, turning it upside down onto a plate.
   vert/vers: turn
   
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5. Passengers for Flight 22 should proceed to Gate 12 now.
   After losing the final vote, the candidate conceded defeat and gave up the race.
   ced/ceed/cess: go, yield
   
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6. The river's current was running too fast to swim against.
   Move the cursor across the screen and click on the link.
   curr/curs: run
   
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7. The old water pipe ruptured and flooded the basement.
   The company went bankrupt after it lost all its money.
   rupt: break
   
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Directions: Use this chart to check your answers and see more example words for each prefix and stem.

Instrucciones: Usa esta tabla para comprobar tus respuestas y ver más palabras de ejemplo para cada prefijo y raíz.

Instruções: Use esta tabela para conferir suas respostas e ver mais palavras de exemplo para cada prefixo e radical.

지시 사항 : 이 차트를 사용하여 답을 확인하고 각 접두사와 어근의 더 많은 예시 단어를 확인하세요.

Інструкції: Використовуйте цю таблицю, щоб перевірити свої відповіді та переглянути більше прикладів слів для кожного префікса й кореня.

Prefixes

Prefix		Meaning	Example Words
ab-		away, from	abnormal, absent, abstain
ob-		in the way, toward	obstacle, obstruct, obscure
se-		apart, aside	separate, select, seclude
per-		through, completely	perspective, persist, perforate
intro-		inward, into	introduce, introduction, introspection
contra-		against, opposite	contradict, contrary, contrast

Stems

Stem		Meaning	Example Words
duc, duct		lead	produce, conduct, aqueduct
ject		throw	reject, project, eject
fer		carry, bring	transfer, refer, fertile
vert, vers		turn	reverse, invert, convert
ced, ceed, cess		go, yield	proceed, process, concede
curr, curs		run	current, cursor, excursion
rupt		break	rupture, erupt, bankrupt

Directions: Click a meaning tile, then click the empty box it belongs in. Each item checks itself automatically once both boxes are filled. Click a filled box to remove it.

Instrucciones: Haz clic en una ficha de significado y luego en la casilla vacía a la que pertenece. Cada elemento se revisa automáticamente una vez que ambas casillas están completas. Haz clic en una casilla completada para eliminarla.

Instruções: Clique em uma ficha de significado e depois na caixa vazia a que ela pertence. Cada item é verificado automaticamente assim que as duas caixas forem preenchidas. Clique em uma caixa preenchida para removê-la.

지시 사항 : 의미 타일을 클릭한 다음, 해당 타일이 속한 빈 상자를 클릭하세요. 두 상자가 모두 채워지면 자동으로 확인됩니다. 채워진 상자를 클릭하면 제거할 수 있습니다.

Інструкції: Натисніть на плитку значення, а потім на порожнє поле, до якого вона належить. Кожен елемент перевіряється автоматично, щойно обидва поля заповнено. Натисніть на заповнене поле, щоб видалити його.

Score:

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Directions: Choose the best meaning for each bold word.

Instrucciones: Elige el mejor significado para cada palabra en negrita.

Instruções: Escolha o melhor significado para cada palavra em negrito.

지시 사항 : 굵게 표시된 각 단어에 가장 알맞은 의미를 선택하세요.

Інструкції: Виберіть найкраще значення для кожного виділеного жирним слова.

1. Because of an accident, police diverted traffic. Which picture shows what happened?
   
   
   -- A --

   -- B --

   -- C --

   -- D --
   
   
2. Which picture shows something being inverted?
   
   
   -- A --

   -- B --

   -- C --
   
   
3. Which picture shows something being reversed?
   
   
   -- A --

   -- B --

   -- C --
   
   
4. Which picture shows something being ejected?
   
   
   -- A --

   -- B --

   -- C --
   
   
5. If a movie has an abrupt ending, it ______.
   breaks the story into many short parts
   ends suddenly, without warning
   has two different endings
   has a long, slow ending
   
   
6. Scientists studied the trajectory of the rocket. A trajectory is ______.
   the path something follows after it is thrown or launched
   the force used to throw the rocket into the air
   the place where a rocket is built
   the speed of an engine
   
   
7. If a detective deduces who the thief is, she ______.
   leads the police to the thief's house
   follows the clues to a conclusion
   asks the thief to confess
   guesses randomly
   
   
8. If you defer a decision, you ______.
   carry it out right away, without thinking
   change your mind twice
   put it off until later
   make it immediately
   
   
9. A person with vertigo feels ______.
   a strong need to turn around and go home
   dizzy, as if everything is spinning
   very hungry and thirsty
   calm and relaxed
   
   
10. After the storm, the floodwaters began to recede. This means the water ______.
    came back again the next day
    went back down
    turned dirty
    rose higher
    
    
11. The new manager said her predecessor did a great job. Her predecessor is ______.
    the person who is going to share the job with her
    the person who will have the job after her
    the person who had the job before her
    her boss
    
    
12. The teacher gave my essay only a cursory look. She read it ______.
    quickly and without much attention
    while running between classes
    slowly and very carefully
    out loud to the class
    
    
13. Two concurrent events ______.
    run in the same direction, like two rivers
    happen at the same time
    happen one year apart
    never happen at all
    
    
14. A scientist says one test result is an aberration. The result ______.
    wanders away from the normal pattern
    was the most important finding
    matches all the other results
    was taken away and thrown out
    
    
15. In court, a lawyer stands up and says, "I object!" The lawyer ______.
    is protesting against what was just said
    is throwing something at the witness
    agrees with what was just said
    wants to leave the room
    
    
16. When a state secedes from a country, it ______.
    gives up and lets another country take control
    joins the country for the first time
    formally leaves and becomes separate
    elects a new leader
    
    
17. A perennial plant ______.
    grows all through one year and then dies
    needs water every single day
    comes back year after year
    grows only indoors
    
    
18. An introvert is a person who tends to ______.
    turn outward and get energy from being around other people
    turn inward and recharge by spending time alone
    turn against people who disagree with them
    turn their life around and start over
    
    
19. An extrovert is a person who tends to ______.
    turn outward and get energy from being around other people
    turn inward and recharge by spending time alone
    turn against people who disagree with them
    turn their life around and start over
    
    
20. If a company contravenes a safety law, it ______.
    comes together with others to vote on the law
    goes against the law
    helps write the law
    changes the law
    
    
21. Which of these words contain the stem meaning "break" (rupt)?
    disrupt
    corrupt
    erudite
    erupt
    rupee
    rusty
    
    

Score:

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1. The stem ject is in inject, reject, eject, project, and object.
   For each word, what is being "thrown," and where does it go?
2. Each picture below shows a kind of conductor. Duct means "lead."
   What is each conductor leading?
   
   A

   
   B

   
   C
3. The first activity in every lesson is called Infer: in + fer, "carry in."
   How is inferring a word's meaning like carrying something in?
4. Say these words out loud: PROject / proJECT, OBject / obJECT, REject / reJECT.
   How does moving the stress change the meaning? Which one is a thing, and which one is an action?
5. Currency (money) comes from the same stem as current: curr, "run."
   Why do you think money was described as something that "runs"?
6. A conversation comes from con + vers: "turning together."
   How is talking with someone like "turning together"?
7. Success comes from Latin suc + cess, "to come next" or "to follow after."
   How did a word meaning "to come next" come to mean "achieving a goal"?
8. Perfume comes from per + fume, "through smoke."
   Why might the earliest perfumes have been connected with smoke?

Directions: Play the audio clip and try to repeat what you hear. Click "Show" to see the text.

Instrucciones: Reproduce el clip de audio e intenta repetir lo que escuchas. Haga clic en "Show" para ver el texto.

Instruções: Reproduza o clipe de áudio e tente repetir o que você ouve. Clique em "Show" para ver o texto.

지시 사항 : 오디오 클립을 재생하고 들리는 내용을 반복해 보십시오. 텍스트를 보려면 "Show" 를 클릭하십시오.

Інструкції: Увімкніть аудіокліп і спробуйте повторити те, що чуєте. Натисніть "Show", щоб побачити текст.

Let me introduce you to my new neighbor, Mr. Park.

The company decided to reject his job application.

You can transfer money to your friend's bank account with your phone.

The car's camera turns on automatically when you reverse.

Please don't interrupt me while I'm talking.

After the police finished checking the car, the driver was allowed to proceed.

Our class took a one-day excursion to the science museum.

In the movie, aliens try to abduct a farmer and take him to their spaceship.

A fallen tree obstructed the road, so no cars could pass.

Please select one answer from the list below.

After ten years in London, her English is almost perfect.

The two witnesses contradicted each other: one said the car was red, the other said blue.

The nurse will use a needle to inject the vaccine.

My laptop has a recurring problem: it shuts down every afternoon.