caevsclefWhich spelling fits?

Quick tell: cae is a verb, clef is a noun, so they fill different roles in a sentence.

Which to use

“cae” is a verb and “clef” is a noun - they look or sound alike but fill different roles in a sentence.

#43,819
“cae” frequency rank
#6,063
“clef” frequency rank
49882
confusion score

Side-by-Side Comparison

Feature cae clef
Definition Troisième personne du singulier du présent de l’indicatif du verbe irrégulier caer. Variante orthographique de clé.

Where the eye mixes cae and clef

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

3 ch
cae
4 ch
clef

Visual trap between cae and clef

These two trip readers on the page rather than in the ear: cae is \ˈka.e\ while clef is \kle\. 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 (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 49882, derived from the frequency rank of both members and their visual similarity.

cae is recorded at frequency rank #43,819, classified as averb, pronounced \ˈka.e\. clef is at rank #6,063, 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 49882, this pair ranks #167,130 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of cae vs clef

Shared letters: ce. Private to "cae": a. Private to "clef": fl.

"cae" · 3 letters · shape CVV  ·  "clef" · 4 letters · shape CCVC

Known mistypes of this pair

  • clefcclef · celf · cleff · clfe · cllef · lcef

Frequently Asked Questions

Do "cae" and "clef" mean the same thing in a sentence?
No - they are not even the same part of speech. "cae" is a verb and "clef" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary French text, does "cae" or "clef" show up more?
"clef" is the more common of the two: it sits at frequency rank #6,063 in our French list, against #43,819 for "cae". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

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

  • Full dictionary entry for "cae" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "clef" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #167,130 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "cae" and "clef" also get mixed up with nearby pairs, the highest-scored neighbour is "cae vs CCE". 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 #167,130 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