Which to use
“démence” is a noun and “dément” is an adjective - they look or sound alike but fill different roles in a sentence.
- #18,183
- “démence” frequency rank
- #13,364
- “dément” frequency rank
- 31547
- confusion score
Side-by-Side Comparison
| Feature | démence | dément |
|---|---|---|
| Definition | Aliénation mentale chronique, acquise et évolutive, dont l'étiologie est diverse. | Qui est dans l’état de démence. |
Where the eye mixes démence and dément
Muted = shared; highlighted = the visual trap. They share 5 letters in sequence. démence runs 7 letters (CVCVCCV) against dément's 6 (CVCVCC) - the length gap alone is often enough to separate them once you know to check it.
Why the eye confuses démence with dément
These two trip readers on the page rather than in the ear: démence is \de.mɑ̃s\ while dément is \de.mɑ̃\. 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 (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 31547, derived from the frequency rank of both members and their visual similarity.
démence is recorded at frequency rank #18,183, classified as anoun, pronounced \de.mɑ̃s\. dément is at rank #13,364, tagged as anadj, pronounced \de.mɑ̃\.
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 31547, this pair ranks #303,114 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of démence vs dément
Shared letters: demné. Private to "démence": c. Private to "dément": t.
"démence" · 7 letters · shape CVCVCCV · "dément" · 6 letters · shape CVCVCC
Frequently Asked Questions
Can "démence" and "dément" be used interchangeably?
Which is more common, "démence" or "dément"?
What to do next
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "démence" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "dément" - compare definitions side by side with the headword page. Word entry
- This pair ranks #303,114 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "démence" and "dément" also get mixed up with nearby pairs, the highest-scored neighbour is "décents vs dément". Nearby pair
Confusion rank #303,114 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.