cilsvscléWhich spelling fits?

Which to use

“cils” and “clé” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#15,107
“cils” frequency rank
#1,987
“clé” frequency rank
17094
confusion score

Side-by-Side Comparison

Feature cils clé
Definition Pluriel de cil. Instrument de métal que l’on introduit dans une serrure pour ouvrir ou fermer un accès. Ancienne clé à panneton que l'on place et fait tourner dans la serrure d'une porte, d'un coffre, etc.

Where the eye mixes cils and clé

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

4 ch
cils
3 ch
clé

Look-alike desk: cils vs clé

A purely visual mix-up. cils (\sil\) and clé (\kle\) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 17094, derived from the frequency rank of both members and their visual similarity.

cils is recorded at frequency rank #15,107, classified as anoun, pronounced \sil\. clé is at rank #1,987, tagged as anoun, pronounced \kle\.

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 17094, this pair ranks #384,826 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of cils vs clé

Shared letters: cl. Private to "cils": is. Private to "clé": é.

"cils" · 4 letters · shape CVCC  ·  "clé" · 3 letters · shape CCV

Known mistypes of this pair

  • cilsccils · cills · cilss · cisl · clis · icls

Frequently Asked Questions

Is swapping "cils" for "clé" ever safe?
No. They are said differently (\sil\ versus \kle\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "cils" or "clé"?
"clé" is the more common of the two: it sits at frequency rank #1,987 in our French list, against #15,107 for "cils". 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 "cils" and "clé" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "cils" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "clé" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #384,826 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "cils" and "clé" also get mixed up with nearby pairs, the highest-scored neighbour is "cils vs ciro". 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 #384,826 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