opusvsouiWhich spelling fits?

Quick tell: opus is a noun, oui is an intj, so they fill different roles in a sentence.

Which to use

“opus” is a noun and “oui” is an intj - they look or sound alike but fill different roles in a sentence.

#23,619
“opus” frequency rank
#44,386
“oui” frequency rank
68005
confusion score

Side-by-Side Comparison

Feature opus oui
Definition A work of music or set of works with a specified rank in an ordering of a composer's complete published works. Synonym of yes.

Where the eye mixes opus and oui

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

4 ch
opus
3 ch
oui

Why the eye confuses opus with oui

These two trip readers on the page rather than in the ear: opus is /ˈəʊpəs/ while oui is /wiː/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (noun vs intj), which is usually the fastest check. Our composite confusion score for this pair is 68005, derived from the frequency rank of both members and their visual similarity.

opus is recorded at frequency rank #23,619, classified as anoun, pronounced /ˈəʊpəs/. oui is at rank #44,386, tagged as anintj, pronounced /wiː/.

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 68005, this pair ranks #60,843 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of opus vs oui

Shared letters: ou. Private to "opus": ps. Private to "oui": i.

"opus" · 4 letters · shape VCVC  ·  "oui" · 3 letters · shape VVV

Known mistypes of this pair

  • opusoppus · opsu · opuss · oups · pous

Frequently Asked Questions

Do "opus" and "oui" mean the same thing in a sentence?
No - they are not even the same part of speech. "opus" is a noun and "oui" an intj, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "opus" or "oui" show up more?
"opus" is the more common of the two: it sits at frequency rank #23,619 in our English list, against #44,386 for "oui". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Eye-level mix-up between "opus" and "oui" 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 "oui" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #60,843 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "opus" and "oui" also get mixed up with nearby pairs, the highest-scored neighbour is "omi vs oui". 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 #60,843 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list