Which to use
“opus” is a noun and “ou” is a conjunction - they look or sound alike but fill different roles in a sentence.
- #8,746
- “opus” frequency rank
- #45
- “ou” frequency rank
- 8791
- confusion score
Side-by-Side Comparison
| Feature | opus | ou |
|---|---|---|
| Definition | Indication utilisée pour désigner un morceau de musique répertorié par un numéro dans l’œuvre complète d’un compositeur. | Indique une disjonction inclusive sur plusieurs concepts quand la cohabitation des concepts est envisageable : un ou plus dans la liste sont envisageables à la fois. |
Where the eye mixes opus and ou
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Visual trap between opus and ou
These two trip readers on the page rather than in the ear: opus is \ɔ.pys\ while ou is \u\. 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 conjunction), which is usually the fastest check. Our composite confusion score for this pair is 8791, derived from the frequency rank of both members and their visual similarity.
opus is recorded at frequency rank #8,746, classified as anoun, pronounced \ɔ.pys\. ou is at rank #45, tagged as aconj, pronounced \u\.
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 8791, this pair ranks #418,833 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of opus vs ou
Shared letters: ou. Private to "opus": ps. Private to "ou": -.
"opus" · 4 letters · shape VCVC · "ou" · 2 letters · shape VV
Known mistypes of this pair
- opus ← oppus · opsu · opuss · pous
Frequently Asked Questions
Can "opus" and "ou" be used interchangeably?
In ordinary French text, does "opus" or "ou" show up more?
After this comparison
Eye-level mix-up between "opus" and "ou" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "opus" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "ou" - compare definitions side by side with the headword page. Word entry
- This pair ranks #418,833 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "opus" and "ou" also get mixed up with nearby pairs, the highest-scored neighbour is "opus vs oust". Nearby pair
- Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes
Confusion rank #418,833 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.