clévsCtWhat's the difference?

Quick tell: clé is a noun, Ct is a name, so they fill different roles in a sentence.

Which to use

“clé” is a noun and “Ct” is a name - they look or sound alike but fill different roles in a sentence.

#1,987
“clé” frequency rank
#9,461
“Ct” frequency rank
11448
confusion score

Side-by-Side Comparison

Feature clé Ct
Definition 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. « Combault » dans Pontault-Combault.

Where the spellings diverge

Shared letters are muted; the letters that actually set clé and Ct apart are highlighted. They share 1 letter in sequence, which is exactly why the eye skips the difference.

3 ch
clé
2 ch
Ct

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: clé is \kle\ while Ct is \kɔ̃.bo\. 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 name), which is usually the fastest check. Our composite confusion score for this pair is 11448, derived from the frequency rank of both members and their visual similarity.

clé is recorded at frequency rank #1,987, classified as anoun, pronounced \kle\. Ct is at rank #9,461, tagged as aname, pronounced \kɔ̃.bo\.

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 11448, this pair ranks #409,105 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of clé vs Ct

Shared letters: c. Private to "clé": . Private to "Ct": t.

"clé" · 3 letters · shape CCV  ·  "Ct" · 2 letters · shape CC

Frequency comparison

clé#1,987
Ct#9,461

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "clé" and "Ct" be used interchangeably?
No - they are not even the same part of speech. "clé" is a noun and "Ct" a name, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "clé" or "Ct"?
"clé" is the more common of the two: it sits at frequency rank #1,987 in our French list, against #9,461 for "Ct". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering clé vs Ct

The fastest way to pick the right one every time.

  • Check the role first: if you need a noun, it's “clé”; for a name, it's “Ct”.
  • See each word in full, definition, IPA, etymology and its other confusables. Full “clé” entry
  • Browse more pairs most likely to be confused. Most confusable

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list