délaisvsdevaisWhich spelling fits?

Quick tell: délais is a noun, devais is a verb, so they fill different roles in a sentence.

Which to use

“délais” is a noun and “devais” is a verb - they look or sound alike but fill different roles in a sentence.

#5,551
“délais” frequency rank
#3,910
“devais” frequency rank
9461
confusion score

Side-by-Side Comparison

Feature délais devais
Definition Pluriel de délai. Première personne du singulier de l’imparfait de devoir.

Where the eye mixes délais and devais

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.

6 ch
délais
6 ch
devais

Why the eye confuses délais with devais

These two trip readers on the page rather than in the ear: délais is \de.lɛ\ while devais is \də.vɛ\. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (noun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 9461, derived from the frequency rank of both members and their visual similarity.

délais is recorded at frequency rank #5,551, classified as anoun, pronounced \de.lɛ\. devais is at rank #3,910, tagged as averb, pronounced \də.vɛ\.

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 9461, this pair ranks #416,558 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of délais vs devais

Shared letters: adis. Private to "délais": . Private to "devais": ev.

"délais" · 6 letters · shape CVCVVC  ·  "devais" · 6 letters · shape CVCVVC

Known mistypes of this pair

  • devaisddevais · deavis · devaiss · devasi · devias · devvais · dveais · edvais

Frequently Asked Questions

Do "délais" and "devais" mean the same thing in a sentence?
No - they are not even the same part of speech. "délais" is a noun and "devais" a verb, so a sentence built for one is usually ungrammatical with the other.
In ordinary French text, does "délais" or "devais" show up more?
"devais" is the more common of the two: it sits at frequency rank #3,910 in our French list, against #5,551 for "délais". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "délais" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "devais" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #416,558 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "délais" and "devais" also get mixed up with nearby pairs, the highest-scored neighbour is "devais vs Devaux". Nearby pair
  • Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #416,558 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