Which to use
“Daech” is a name and “déçu” is an adjective - they look or sound alike but fill different roles in a sentence.
- #14,241
- “Daech” frequency rank
- #3,752
- “déçu” frequency rank
- 17993
- confusion score
Side-by-Side Comparison
| Feature | Daech | déçu |
|---|---|---|
| Definition | Organisation armée djihadiste qui a proclamé le 29 juin 2014 le rétablissement du califat sur les territoires irakiens et syriens qu’elle contrôle. | Qui a éprouvé une déception, qui a subi une situation inférieure à ses attentes. |
Where the eye mixes Daech and déçu
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.
Why the eye confuses Daech with déçu
These two trip readers on the page rather than in the ear: Daech is \da.ɛʃ\ while déçu is \de.sy\. 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 (name vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 17993, derived from the frequency rank of both members and their visual similarity.
Daech is recorded at frequency rank #14,241, classified as aname, pronounced \da.ɛʃ\. déçu is at rank #3,752, tagged as anadj, pronounced \de.sy\.
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 17993, this pair ranks #380,500 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of Daech vs déçu
Shared letters: d. Private to "Daech": aceh. Private to "déçu": uçé.
"Daech" · 5 letters · shape CVVCC · "déçu" · 4 letters · shape CVCV
Known mistypes of this pair
- Daech ← adech · daceh · daecch · daechh · daehc · ddaech · deach
Frequently Asked Questions
Is swapping "Daech" for "déçu" ever safe?
In ordinary French text, does "Daech" or "déçu" show up more?
After this comparison
Eye-level mix-up between "Daech" and "déçu" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "Daech" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "déçu" - compare definitions side by side with the headword page. Word entry
- This pair ranks #380,500 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "Daech" and "déçu" also get mixed up with nearby pairs, the highest-scored neighbour is "Daech vs dèche". 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 #380,500 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.