déjà vs deu, What's the Difference?

Which to use

“déjà” is an adverb and “deu” is a noun - they look or sound alike but fill different roles in a sentence.

#122
“déjà” frequency rank: #36,794
“deu” frequency rank: 36916
confusion score

Side-by-Side Comparison

Feature	déjà	deu
Definition	Indique un changement d’état ou une atteinte du critère jusqu’à présent ou jusqu’alors.	Dieu.

Letter map: déjà vs deu

Shared letters muted; letters that set déjà and deu apart highlighted. Shared run: 1.

4 ch

déjà

3 ch

deu

Grammar separator: déjà vs deu

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: déjà is anadverb and deuanoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 36916, derived from the frequency rank of both members and their visual similarity.

déjà is recorded at frequency rank #122, classified as anadv, pronounced \de.ʒa\. deu is at rank #36,794, tagged as anoun.

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 36916, this pair ranks #266,215 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of déjà vs deu

Shared letters: d. Private to "déjà": jàé. Private to "deu": eu.

"déjà" · 4 letters · shape CVCV · "deu" · 3 letters · shape CVV

Frequently Asked Questions

Can "déjà" and "deu" be used interchangeably?

No - they are not even the same part of speech. "déjà" is an adverb and "deu" a noun, so a sentence built for one is usually ungrammatical with the other.

Frequency check: "déjà" vs "deu" - which ranks higher?

"déjà" is the more common of the two: it sits at frequency rank #122 in our French list, against #36,794 for "deu". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

Done with this confusable. These links stay specific to "déjà" and "deu".

Full dictionary entry for "déjà" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "deu" - compare definitions side by side with the headword page. Word entry
This pair ranks #266,215 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
"déjà" and "deu" also get mixed up with nearby pairs, the highest-scored neighbour is "DCI vs deu". Nearby pair

Confusion rank #266,215 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.