clairvsClioWhich spelling fits?

Quick tell: clair is a adjective, Clio is a name, so they fill different roles in a sentence.

Which to use

“clair” is an adjective and “Clio” is a name - they look or sound alike but fill different roles in a sentence.

#1,086
“clair” frequency rank
#17,096
“Clio” frequency rank
18182
confusion score

Side-by-Side Comparison

Feature clair Clio
Definition Qui a l’éclat du jour, de la lumière. Muse de l’histoire.

Where the eye mixes clair and Clio

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

5 ch
clair
4 ch
Clio

Why the eye confuses clair with Clio

These two trip readers on the page rather than in the ear: clair is \klɛʁ\ while Clio is \kli.jo\. 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 (adjective vs name), which is usually the fastest check. Our composite confusion score for this pair is 18182, derived from the frequency rank of both members and their visual similarity.

clair is recorded at frequency rank #1,086, classified as anadj, pronounced \klɛʁ\. Clio is at rank #17,096, tagged as aname, pronounced \kli.jo\.

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 18182, this pair ranks #379,601 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of clair vs Clio

Shared letters: cil. Private to "clair": ar. Private to "Clio": o.

"clair" · 5 letters · shape CCVVC  ·  "Clio" · 4 letters · shape CCVV

Known mistypes of this pair

  • claircalir · cclair · clairr · clari · cliar · cllair · lcair
  • Cliocclio · cilo · cllio · cloi · lcio

Frequently Asked Questions

Is swapping "clair" for "Clio" ever safe?
No - they are not even the same part of speech. "clair" is an adjective and "Clio" a name, so a sentence built for one is usually ungrammatical with the other.
In ordinary French text, does "clair" or "Clio" show up more?
"clair" is the more common of the two: it sits at frequency rank #1,086 in our French list, against #17,096 for "Clio". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

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

  • Full dictionary entry for "clair" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Clio" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #379,601 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "clair" and "Clio" also get mixed up with nearby pairs, the highest-scored neighbour is "ciro vs Clio". 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 #379,601 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