Which to use
“déchue” is an adjective and “dengue” is a noun - they look or sound alike but fill different roles in a sentence.
- #42,837
- “déchue” frequency rank
- #44,413
- “dengue” frequency rank
- 87250
- confusion score
Side-by-Side Comparison
| Feature | déchue | dengue |
|---|---|---|
| Definition | Féminin singulier de déchu. | Maladie virale endémique dans les pays tropicaux causée par les virus de type flavivirus. |
Where the eye mixes déchue and dengue
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. déchue and dengue follow the identical consonant-vowel pattern (CVCCVV). Same shape at a glance is often the real trap, independent of shared letters.
Why the eye confuses déchue with dengue
These two trip readers on the page rather than in the ear: déchue is \de.ʃy\ while dengue is \dɛ̃ɡ\. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 3 positions, and the parts of speech differ too (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 87250, derived from the frequency rank of both members and their visual similarity.
déchue is recorded at frequency rank #42,837, classified as anadj, pronounced \de.ʃy\. dengue is at rank #44,413, tagged as anoun, pronounced \dɛ̃ɡ\.
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 87250, this pair ranks #8,534 of 440,172 scored French confusable pairs - among the most confusable pairs.
Orthographic DNA of déchue vs dengue
Shared letters: deu. Private to "déchue": ché. Private to "dengue": gn.
"déchue" · 6 letters · shape CVCCVV · "dengue" · 6 letters · shape CVCCVV
Known mistypes of this pair
- dengue ← ddengue · degnue · dengeu · denggue · denngue · denuge · dnegue · edngue
Frequently Asked Questions
Is swapping "déchue" for "dengue" ever safe?
In ordinary French text, does "déchue" or "dengue" show up more?
Useful next steps
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "déchue" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "dengue" - compare definitions side by side with the headword page. Word entry
- This pair ranks #8,534 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "déchue" and "dengue" also get mixed up with nearby pairs, the highest-scored neighbour is "dèche vs déchue". 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 #8,534 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.