omisvsopusTell them apart

Which to use

“omis” and “opus” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#18,266
“omis” frequency rank
#8,746
“opus” frequency rank
27012
confusion score

Side-by-Side Comparison

Feature omis opus
Definition Personne qui n'avait pas été inscrite sur les listes de recrutement de l'armée. Indication utilisée pour désigner un morceau de musique répertorié par un numéro dans l’œuvre complète d’un compositeur.

Where the eye mixes omis and opus

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

4 ch
omis
4 ch
opus

Visual trap between omis and opus

A purely visual mix-up. omis (\ɔ.mi\) and opus (\ɔ.pys\) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 27012, derived from the frequency rank of both members and their visual similarity.

omis is recorded at frequency rank #18,266, classified as anoun, pronounced \ɔ.mi\. opus is at rank #8,746, tagged as anoun, pronounced \ɔ.pys\.

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 27012, this pair ranks #331,540 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of omis vs opus

Shared letters: os. Private to "omis": im. Private to "opus": pu.

"omis" · 4 letters · shape VCVC  ·  "opus" · 4 letters · shape VCVC

Known mistypes of this pair

  • omisoims · omiss · ommis · omsi
  • opusoppus · opsu · opuss · pous

Frequently Asked Questions

Can "omis" and "opus" be used interchangeably?
No. They are said differently (\ɔ.mi\ versus \ɔ.pys\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "omis" vs "opus" - which ranks higher?
"opus" is the more common of the two: it sits at frequency rank #8,746 in our French list, against #18,266 for "omis". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "omis" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "opus" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #331,540 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "omis" and "opus" also get mixed up with nearby pairs, the highest-scored neighbour is "oim vs omis". 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 #331,540 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list