délirervsdévierWhich spelling fits?

Which to use

“délirer” and “dévier” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#36,817
“délirer” frequency rank
#22,248
“dévier” frequency rank
59065
confusion score

Side-by-Side Comparison

Feature délirer dévier
Definition Avoir le délire ; être en délire. Se détourner ; être détourné de sa direction.

Where the eye mixes délirer and dévier

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence. délirer runs 7 letters (CVCVCVC) against dévier's 6 (CVCVVC) - the length gap alone is often enough to separate them once you know to check it.

7 ch
délirer
6 ch
dévier

Look-alike desk: délirer vs dévier

A purely visual mix-up. délirer (\de.li.ʁe\) and dévier (\de.vje\) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 59065, derived from the frequency rank of both members and their visual similarity.

délirer is recorded at frequency rank #36,817, classified as averb, pronounced \de.li.ʁe\. dévier is at rank #22,248, tagged as averb, pronounced \de.vje\.

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 59065, this pair ranks #105,267 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of délirer vs dévier

Shared letters: deiré. Private to "délirer": l. Private to "dévier": v.

"délirer" · 7 letters · shape CVCVCVC  ·  "dévier" · 6 letters · shape CVCVVC

Frequently Asked Questions

Can "délirer" and "dévier" be used interchangeably?
No. They are said differently (\de.li.ʁe\ versus \de.vje\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary French text, does "délirer" or "dévier" show up more?
"dévier" is the more common of the two: it sits at frequency rank #22,248 in our French list, against #36,817 for "délirer". 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 "délirer" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "dévier" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #105,267 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "délirer" and "dévier" also get mixed up with nearby pairs, the highest-scored neighbour is "délier vs délirer". Nearby pair

Confusion rank #105,267 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