Word stress in longer words: -tion, -ic, -ity
Short answer: In longer words the main stress often depends on the ending. Words ending in -tion and -sion are stressed on the syllable before the ending (eduCAtion, deCIsion). The same is true for words ending in -ic, -ical, -ity and -graphy (ecoNOmic, poLItical, aBIlity, phoTOgraphy). Words ending in -ee and -eer are stressed on the ending (employEE, engiNEER).
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At a glance
| Ending | Stress falls | Examples |
|---|---|---|
| -tion, -sion | on the syllable before | eduCAtion, inforMAtion, deCIsion |
| -ic, -ical | on the syllable before | ecoNOmic, fanTAStic, poLItical |
| -ity | on the syllable before | aBIlity, seCUrity, possiBIlity |
| -graphy | on the syllable before | phoTOgraphy, geOgraphy |
| -ee, -eer | on the ending | employEE, engiNEER, voluntEER |
How to make the sound
- Look at the ending of the word first.
- If it is -tion, -sion, -ic, -ical, -ity or -graphy, put the stress on the syllable just before the ending.
- If it is -ee or -eer, stress the ending itself.
- Say the stressed syllable longer and louder, and say the others quickly.
- Check a dictionary for words that do not follow the pattern.
Examples in sentences
- Education is important.
eduCAtion: the stress is on CA, before -tion. - Please make a decision.
deCIsion: the stress is on CI. - The economic situation is difficult.
ecoNOmic: the stress is on NO, before -ic. - He is learning photography.
phoTOgraphy: the stress is on TO, before -graphy. - The new employee starts today.
employEE: the stress is on the ending -ee. - She is an engineer.
engiNEER: the stress is on the ending -eer. - His ability is clear.
aBIlity: the stress is on BI, before -ity. - This is a political question.
poLItical: the stress is on LI, before -ical.
Common problems
- Stressing the first syllable by habit: Many learners stress the first syllable of every word. Check the ending.
- Exceptions: A few words break the pattern, for example POlitics, ARabic and LUnatic. Learn them one by one.
- Stress that moves: When the ending changes, the stress can move: PHOtograph, phoTOgraphy, photoGRAphic.
For Vietnamese speakers
- Vietnamese words are mostly one syllable, so the idea that one syllable of a long word is much stronger can be new. Practice with the endings above, saying the stressed syllable clearly.
- Do not give each syllable the same weight. English listeners rely on the stress pattern to recognize long words.
Same word family, moving stress
When the ending changes, the stress often moves. The vowel of the stressed syllable stays clear; the others weaken.
| Word | Stress | Ending |
|---|---|---|
| PHOtograph | first syllable | -graph |
| phoTOgraphy | second syllable | -graphy |
| photoGRAphic | third syllable | -ic |
Check yourself
- Where is the stress in “education”?
Show the answer
eduCAtion: on the syllable before -tion. Words ending in -tion take stress just before the ending.
- Where is the stress in “economic”?
Show the answer
ecoNOmic: on NO, before -ic. Words ending in -ic take stress just before the ending.
- Where is the stress in “employee”?
Show the answer
employEE: on the ending. Words ending in -ee are stressed on the ending.
Questions
Are these rules always true?
They are strong patterns, not laws. There are exceptions, so check a dictionary when you are not sure.
Why does the stress move when the ending changes?
English stress follows the structure of the word. The suffix can pull the stress to a different syllable: PHOtograph, phoTOgraphy.
Does the stressed syllable always have a full vowel?
Yes. The stressed syllable has a clear vowel. The weak syllables often become /ə/.
More lessons in this part
Part of the 👄 Pronunciation tool: Word Pronunciation Rules. See also the English pronunciation guide. Đọc bằng tiếng Việt.
Written for English learners by the English for Fun team. How we write our lessons · Last updated 2026-11-05.
Reviewed by Chinh Q. Hoang, PhD, founder, English for Fun · 2026-10-30