opsvsopusWhich spelling fits?

Which to use

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

#9,639
“ops” frequency rank
#23,619
“opus” frequency rank
33258
confusion score

Side-by-Side Comparison

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

Letter map: ops vs opus

Shared letters muted; letters that set ops and opus apart highlighted. Shared run: 3.

3 ch
ops
4 ch
opus

Spelling & dictionary notes on ops vs opus

ops and opus are indexed as a confusable English pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 33258, derived from the frequency rank of both members and their visual similarity.

ops is recorded at frequency rank #9,639, classified as anoun. opus is at rank #23,619, tagged as anoun, pronounced /ˈəʊpəs/.

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 33258, this pair ranks #330,999 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of ops vs opus

Shared letters: ops. Private to "ops": -. Private to "opus": u.

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

Known mistypes of this pair

  • opusoppus · opsu · opuss · oups · pous

Frequently Asked Questions

Do "ops" and "opus" mean the same thing in a sentence?
No. They differ by 1 letter(s) in length, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.
In ordinary English text, does "ops" or "opus" show up more?
"ops" is the more common of the two: it sits at frequency rank #9,639 in our English list, against #23,619 for "opus". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Pair "ops" vs "opus" is on the table, pick a follow-up below.

  • Full dictionary entry for "ops" 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 #330,999 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "ops" and "opus" also get mixed up with nearby pairs, the highest-scored neighbour is "opus vs OWS". 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 #330,999 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