Which to use
“défier” is a verb and “deir” is an adjective - they look or sound alike but fill different roles in a sentence.
- #12,556
- “défier” frequency rank
- #38,242
- “deir” frequency rank
- 50798
- confusion score
Side-by-Side Comparison
| Feature | défier | deir |
|---|---|---|
| Definition | Provoquer à une lutte, au duel. | Forme mutée de teir par adoucissement (t → d). |
Where the eye mixes défier and deir
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.
Why the eye confuses défier with deir
These two trip readers on the page rather than in the ear: défier is \de.fje\ while deir is \dɛjr\. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 letter(s) in length, and the parts of speech differ too (verb vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 50798, derived from the frequency rank of both members and their visual similarity.
défier is recorded at frequency rank #12,556, classified as averb, pronounced \de.fje\. deir is at rank #38,242, tagged as anadj, pronounced \dɛjr\.
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 50798, this pair ranks #159,890 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of défier vs deir
Shared letters: deir. Private to "défier": fé. Private to "deir": -.
"défier" · 6 letters · shape CVCVVC · "deir" · 4 letters · shape CVVC
Known mistypes of this pair
- deir ← ddeir · deirr · deri · edir
Frequently Asked Questions
Do "défier" and "deir" mean the same thing in a sentence?
Which is more common, "défier" or "deir"?
Useful next steps
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "défier" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "deir" - compare definitions side by side with the headword page. Word entry
- This pair ranks #159,890 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "défier" and "deir" also get mixed up with nearby pairs, the highest-scored neighbour is "deir vs denim". 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 #159,890 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.