operavsopérantWhich spelling fits?

Quick tell: opera is a noun, opérant is an adjective, so they fill different roles in a sentence.

Which to use

“opera” is a noun and “opérant” is an adjective - they look or sound alike but fill different roles in a sentence.

#17,210
“opera” frequency rank
#18,268
“opérant” frequency rank
35478
confusion score

Side-by-Side Comparison

Feature opera opérant
Definition Opéra. Qui est propre à opérer, qui produit ou peut produire des effets.

Letter map: opera vs opérant

Shared letters muted; letters that set opera and opérant apart highlighted. Shared run: 4.

5 ch
opera
7 ch
opérant

Role in the sentence - opera and opérant

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: opera is anoun and opérantanadjective. On the page they differ by 2 letter(s) in length. Our composite confusion score for this pair is 35478, derived from the frequency rank of both members and their visual similarity.

opera is recorded at frequency rank #17,210, classified as anoun, pronounced \ˈoʊ.pər.ə\. opérant is at rank #18,268, tagged as anadj.

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 35478, this pair ranks #276,487 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of opera vs opérant

Shared letters: aopr. Private to "opera": e. Private to "opérant": nté.

"opera" · 5 letters · shape VCVCV  ·  "opérant" · 7 letters · shape VCVCVCC

Known mistypes of this pair

  • operaoepra · opear · operra · oppera · oprea · poera

Frequently Asked Questions

Is swapping "opera" for "opérant" ever safe?
No - they are not even the same part of speech. "opera" is a noun and "opérant" an adjective, so a sentence built for one is usually ungrammatical with the other.
In ordinary French text, does "opera" or "opérant" show up more?
"opera" is the more common of the two: it sits at frequency rank #17,210 in our French list, against #18,268 for "opérant". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

You've compared "opera" and "opérant". Here's where to go from here.

  • Full dictionary entry for "opera" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "opérant" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #276,487 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "opera" and "opérant" also get mixed up with nearby pairs, the highest-scored neighbour is "opérant vs oseront". 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 #276,487 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