déjàvsDNAConfusable pair

Quick tell: déjà is a adverb, DNA is a noun, so they fill different roles in a sentence.

Which to use

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

#122
“déjà” frequency rank
#32,780
“DNA” frequency rank
32902
confusion score

Side-by-Side Comparison

Feature déjà DNA
Definition Indique un changement d’état ou une atteinte du critère jusqu’à présent ou jusqu’alors. ADN, acide désoxyribonucléique.

Where the eye mixes déjà and DNA

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

4 ch
déjà
3 ch
DNA

Look-alike desk: déjà vs DNA

These two trip readers on the page rather than in the ear: déjà is \de.ʒa\ while DNA is \ˌdi.ˌɛn.ˈeɪ\. 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 (adverb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 32902, 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\. DNA is at rank #32,780, tagged as anoun, pronounced \ˌdi.ˌɛn.ˈeɪ\.

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 32902, this pair ranks #294,192 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of déjà vs DNA

Shared letters: d. Private to "déjà": jàé. Private to "DNA": an.

"déjà" · 4 letters · shape CVCV  ·  "DNA" · 3 letters · shape CCV

Frequently Asked Questions

Can "déjà" and "DNA" be used interchangeably?
No - they are not even the same part of speech. "déjà" is an adverb and "DNA" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary French text, does "déjà" or "DNA" show up more?
"déjà" is the more common of the two: it sits at frequency rank #122 in our French list, against #32,780 for "DNA". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

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

  • Full dictionary entry for "déjà" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "DNA" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #294,192 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "déjà" and "DNA" also get mixed up with nearby pairs, the highest-scored neighbour is "DNA vs dray". Nearby pair

Confusion rank #294,192 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