opusvsorsWhich spelling fits?

Which to use

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

#8,746
“opus” frequency rank
#32,509
“ors” frequency rank
41255
confusion score

Side-by-Side Comparison

Feature opus ors
Definition Indication utilisée pour désigner un morceau de musique répertorié par un numéro dans l’œuvre complète d’un compositeur. Pluriel de or.

Where the eye mixes opus and ors

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

4 ch
opus
3 ch
ors

Why the eye confuses opus with ors

A purely visual mix-up. opus (\ɔ.pys\) and ors (\ɔʁ\) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 41255, 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\. ors is at rank #32,509, tagged as anoun, pronounced \ɔʁ\.

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 41255, this pair ranks #234,434 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of opus vs ors

Shared letters: os. Private to "opus": pu. Private to "ors": r.

"opus" · 4 letters · shape VCVC  ·  "ors" · 3 letters · shape VCC

Known mistypes of this pair

  • opusoppus · opsu · opuss · pous

Frequently Asked Questions

Is swapping "opus" for "ors" ever safe?
No. They are said differently (\ɔ.pys\ versus \ɔʁ\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "opus" or "ors"?
"opus" is the more common of the two: it sits at frequency rank #8,746 in our French list, against #32,509 for "ors". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Eye-level mix-up between "opus" and "ors" 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 "ors" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #234,434 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "opus" and "ors" also get mixed up with nearby pairs, the highest-scored neighbour is "och vs ors". 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 #234,434 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