Which to use
“écologie” is a noun and “écologique” is an adjective - they look or sound alike but fill different roles in a sentence.
- #5,092
- “écologie” frequency rank
- #4,540
- “écologique” frequency rank
- 9632
- confusion score
Side-by-Side Comparison
| Feature | écologie | écologique |
|---|---|---|
| Definition | Partie de la biologie qui étudie les relations et les interactions entre un organisme vivant et son milieu de vie. | Qui concerne l’écologie ou qui appartient à cette discipline. |
Where the eye mixes écologie and écologique
Muted = shared; highlighted = the visual trap. They share 8 letters in sequence. écologie runs 8 letters (VCVCVCVV) against écologique's 10 (VCVCVCVCVV) - the length gap alone is often enough to separate them once you know to check it.
Visual trap between écologie and écologique
These two trip readers on the page rather than in the ear: écologie is \e.kɔ.lɔ.ʒi\ while écologique is \e.kɔ.lɔ.ʒik\. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 letter(s) in length, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 9632, derived from the frequency rank of both members and their visual similarity.
écologie is recorded at frequency rank #5,092, classified as anoun, pronounced \e.kɔ.lɔ.ʒi\. écologique is at rank #4,540, tagged as anadj, pronounced \e.kɔ.lɔ.ʒik\.
Glosses for this pair are partially populated in our dataset, but the full side-by-side definitions above should still guide you to the right choice.
With a confusion score of 9632, this pair ranks #415,976 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of écologie vs écologique
Shared letters: cegiloé. Private to "écologie": -. Private to "écologique": qu.
"écologie" · 8 letters · shape VCVCVCVV · "écologique" · 10 letters · shape VCVCVCVCVV
Frequently Asked Questions
Can "écologie" and "écologique" be used interchangeably?
In ordinary French text, does "écologie" or "écologique" show up more?
After this comparison
Eye-level mix-up between "écologie" and "écologique" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "écologie" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "écologique" - compare definitions side by side with the headword page. Word entry
- This pair ranks #415,976 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "écologie" and "écologique" also get mixed up with nearby pairs, the highest-scored neighbour is "écologie vs écologiste". Nearby pair
Confusion rank #415,976 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.