concluvsconnuWhich spelling fits?

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

Which to use

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

#4,655
“conclu” frequency rank
#718
“connu” frequency rank
5373
confusion score

Side-by-Side Comparison

Feature conclu connu
Definition Conclusion. Dont on a connaissance.

Where the eye mixes conclu and connu

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.

6 ch
conclu
5 ch
connu

Look-alike desk: conclu vs connu

These two trip readers on the page rather than in the ear: conclu is \kɔ̃.kly\ while connu is \kɔ.ny\. 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 adjective), which is usually the fastest check. Our composite confusion score for this pair is 5373, derived from the frequency rank of both members and their visual similarity.

conclu is recorded at frequency rank #4,655, classified as anoun, pronounced \kɔ̃.kly\. connu is at rank #718, tagged as anadj, pronounced \kɔ.ny\.

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 5373, this pair ranks #429,203 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of conclu vs connu

Shared letters: cnou. Private to "conclu": l. Private to "connu": -.

"conclu" · 6 letters · shape CVCCCV  ·  "connu" · 5 letters · shape CVCCV

Known mistypes of this pair

  • conclucconclu · cnoclu · cocnlu · concclu · concllu · concul · conlcu · connclu
  • connucconnu · cnonu · conu · conun · ocnnu

Frequently Asked Questions

Is swapping "conclu" for "connu" ever safe?
No - they are not even the same part of speech. "conclu" is a noun and "connu" an adjective, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "conclu" or "connu"?
"connu" is the more common of the two: it sits at frequency rank #718 in our French list, against #4,655 for "conclu". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "conclu" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "connu" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #429,203 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "conclu" and "connu" also get mixed up with nearby pairs, the highest-scored neighbour is "conclu vs conclura". 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 #429,203 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