Word-class pairs are words with the same spelling but different meanings depending on stress. Learn how stress changes a noun into a verb or an adjective into a verb, with clear rules, examples, and exercises. Perfect for English learners who want to improve pronunciation and fluency.
What Are Word-Class Pairs?
When you start learning English, you quickly notice that stress (the emphasis we put on a syllable) can completely change the meaning of a word. One very interesting example is word-class pairs.
Word-class pairs are words that are spelled the same, but their stress changes depending on their role in a sentence. In other words, the same word can be a noun, verb, or adjective, depending on where the stress is placed.
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If the stress is on the first syllable, the word is often a noun or adjective.
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If the stress is on the second syllable, the word is usually a verb.
Here are some common examples:
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REcord (noun: a music record) vs. reCORD (verb: to capture sound).
REcord:
reCORD:
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PREsent (noun: a gift) vs. preSENT (verb: to show or introduce).
PREsent:
preSENT:
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OBject (noun: a thing) vs. obJECT (verb: to disagree).
OBject:
obJECT:
Rules for Stress in Word-Class Pairs
Noun vs. Verb Stress Rule
The most common rule is this:
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Stress on the first syllable → the word is a noun.
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Stress on the second syllable → the word is a verb.
Example 1:
- REcord (noun): “I bought a new record yesterday.”
- reCORD (verb): “Let’s record the meeting.”
Example 2:
- PREsent (noun): “She gave me a wonderful present for my birthday.”
- preSENT (verb): “He will present his project tomorrow.”
Adjective vs. Verb Stress Rule
Sometimes, the pair is not noun–verb but adjective–verb. In these cases, the adjective usually has the stress on the first syllable, and the verb on the second syllable.
Example 1:
- PERfect (adjective): “She has a perfect smile.”
- perFECT (verb): “He worked hard to perfect his painting skills.”
Example 2:
- ABsent (adjective): “She was absent from class yesterday.”
- abSENT (verb): “Don’t absent yourself from the meeting.”
Common Patterns and Exceptions
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Most noun–verb pairs follow the “first syllable noun, second syllable verb” rule.
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Some words can act as both noun and verb without a stress change (for example: answer, visit, travel, etc.).
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Native speakers sometimes accept both stresses, especially in informal speech.
Common Word-Class Pairs in English
Noun–Verb Pairs
Here are some very common pairs you will hear every day:
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REcord (noun) – reCORD (verb)
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OBject (noun) – obJECT (verb)
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CONtract (noun) – conTRACT (verb)
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PERmit (noun) – perMIT (verb)
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PREsent (noun) – preSENT (verb)
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EXport (noun) – exPORT (verb)
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IMport (noun) – imPORT (verb)
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INcrease (noun) – inCREASE (verb)
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DEcrease (noun) – deCREASE (verb)
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INsult (noun) – inSULT (verb)
Adjective–Verb Pairs
Here are some useful adjective–verb pairs:
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PERfect (adjective) – perFECT (verb)
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FREquent (adjective) – freQUENT (verb)
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ABsent (adjective) – abSENT (verb)
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CONtent (adjective) – conTENT (verb)
Extended List of Word-Class Pairs
Below is a bigger list of word-class pairs to help you practice.
| Noun/Adj Stress | Verb Stress | Example Sentences |
|---|---|---|
| REcord | reCORD | Noun: I played a new record. / Verb: Please record the lesson. |
| OBject | obJECT | Noun: The object is heavy. / Verb: I must object to that idea. |
| CONtract | conTRACT | Noun: He signed the contract. / Verb: Muscles contract when cold. |
| PERmit | perMIT | Noun: You need a permit to park here. / Verb: They don’t permit smoking. |
| PREsent | preSENT | Noun: She gave me a present. / Verb: He will present the report. |
| EXport | exPORT | Noun: Rice is a major export. / Verb: The company will export goods. |
| IMport | imPORT | Noun: Cars are an expensive import. / Verb: They import wine from Italy. |
| INcrease | inCREASE | Noun: There was an increase in sales. / Verb: Prices will increase soon. |
| DEcrease | deCREASE | Noun: We saw a sharp decrease. / Verb: Exercise can decrease stress. |
| INsult | inSULT | Noun: That was a rude insult. / Verb: Don’t insult your friends. |
| PERfect | perFECT | Adj: She has a perfect score. / Verb: He worked to perfect his skills. |
| FREquent | freQUENT | Adj: He is a frequent guest. / Verb: They frequent this café often. |
| ABsent | abSENT | Adj: She was absent today. / Verb: Don’t absent yourself from duty. |
| CONtent | conTENT | Adj: He felt content after lunch. / Verb: She will content herself with little. |
| REbel | reBEL | Noun: The rebel fought against the king. / Verb: People may rebel against unfair rules. |
| CONflict | conFLICT | Noun: The conflict lasted many years. / Verb: His words conflict with his actions. |
| SUSpect | susPECT | Noun: The police caught a suspect. / Verb: I suspect he is lying. |
| CONduct | conDUCT | Noun: His conduct was excellent. / Verb: She will conduct the interview. |
| REfund | reFUND | Noun: I got a refund for the shoes. / Verb: They will refund your money. |
| REcord | reCORD | Noun: That song broke the record. / Verb: Let’s record the class. |
| SUBject | subJECT | Noun: History is my favorite subject. / Verb: Don’t subject yourself to stress. |
| PROject | proJECT | Noun: The project is almost finished. / Verb: She can project her voice clearly. |
| CONtest | conTEST | Noun: He won the singing contest. / Verb: They will contest the results. |
| ADdress | adDRESS | Noun: What’s your home address? / Verb: Please address the letter correctly. |
| PROgress | proGRESS | Noun: She made great progress. / Verb: We will progress step by step. |
| SUSpect | susPECT | Noun: The suspect was questioned. / Verb: I suspect foul play. |
| IMport | imPORT | Noun: The import is expensive. / Verb: They import oil. |
| CONvict | conVICT | Noun: The convict escaped from prison. / Verb: The court will convict him of theft. |
| CONtest | conTEST | Noun: A spelling contest was held. / Verb: They will contest the decision. |
| TORment | torMENT | Noun: His life was full of torment. / Verb: Don’t torment the poor cat. |
Practice with Word-Class Pairs
To master these pairs, try the following exercises.
Reading Practice
Read this short passage aloud. Notice the stress differences:
Last week, my company signed a CONtract. It was an important REcord for us. Tomorrow, I will preSENT the project to the team. If anyone obJECTs, we will try to perFECT the plan. I feel CONtent with our progress, and I believe it will inCREASE our success.
Now, please listen to the sample audio. Pay attention to the word stress, then practice reading along to improve your pronunciation.
Identify Stress Exercise
Underline where the stress falls. Example:
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Record (noun) vs. record (verb).
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Object
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Present
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Permit
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Import
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Content
(Answer: OBject / obJECT, PREsent / preSENT, PERmit / perMIT, IMport / imPORT, CONtent / conTENT)
Fill-in-the-Blank Sentences
Choose the correct form (noun or verb) and pronounce it with the right stress.
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I signed the __________ yesterday. (contract)
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They will __________ the meeting for tomorrow. (record)
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Rice is the main __________ of this country. (export)
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She will __________ her project next week. (present)
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His rude words were an __________ to the teacher. (insult)