CDGvscléConfusable pair

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

Which to use

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

#23,794
“CDG” frequency rank
#1,987
“clé” frequency rank
25781
confusion score

Side-by-Side Comparison

Feature CDG clé
Definition Code AITA de l’aéroport Paris-Charles-de-Gaulle dans le système de codification international des aéroports. 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.

Letter map: CDG vs clé

Shared letters muted; letters that set CDG and clé apart highlighted. Shared run: 1.

3 ch
CDG
3 ch
clé

Role in the sentence - CDG and clé

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: CDG is asymbol and cléanoun. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 25781, derived from the frequency rank of both members and their visual similarity.

CDG is recorded at frequency rank #23,794, classified as asymbol. 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 25781, this pair ranks #338,871 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of CDG vs clé

Shared letters: c. Private to "CDG": dg. Private to "clé": .

"CDG" · 3 letters · shape CCC  ·  "clé" · 3 letters · shape CCV

Frequently Asked Questions

Can "CDG" and "clé" be used interchangeably?
No - they are not even the same part of speech. "CDG" is a symbol and "clé" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary French text, does "CDG" or "clé" show up more?
"clé" is the more common of the two: it sits at frequency rank #1,987 in our French list, against #23,794 for "CDG". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

You've compared "CDG" and "clé". Here's where to go from here.

  • Full dictionary entry for "CDG" 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 #338,871 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "CDG" and "clé" also get mixed up with nearby pairs, the highest-scored neighbour is "CCE vs CDG". Nearby pair

Confusion rank #338,871 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