décentevsdémenceTell them apart

Quick tell: décente is a adjective, démence is a noun, so they fill different roles in a sentence.

Which to use

“décente” is an adjective and “démence” is a noun - they look or sound alike but fill different roles in a sentence.

#29,734
“décente” frequency rank
#18,183
“démence” frequency rank
47917
confusion score

Side-by-Side Comparison

Feature décente démence
Definition Féminin singulier de décent. Aliénation mentale chronique, acquise et évolutive, dont l'étiologie est diverse.

Where the eye mixes décente and démence

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence. décente and démence follow the identical consonant-vowel pattern (CVCVCCV). Same shape at a glance is often the real trap, independent of shared letters.

7 ch
décente
7 ch
démence

Why the eye confuses décente with démence

These two trip readers on the page rather than in the ear: décente is \de.sɑ̃t\ while démence is \de.mɑ̃s\. 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 (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 47917, derived from the frequency rank of both members and their visual similarity.

décente is recorded at frequency rank #29,734, classified as anadj, pronounced \de.sɑ̃t\. démence is at rank #18,183, tagged as anoun, pronounced \de.mɑ̃s\.

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 47917, this pair ranks #183,110 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of décente vs démence

Shared letters: cdené. Private to "décente": t. Private to "démence": m.

"décente" · 7 letters · shape CVCVCCV  ·  "démence" · 7 letters · shape CVCVCCV

Frequently Asked Questions

Do "décente" and "démence" mean the same thing in a sentence?
No - they are not even the same part of speech. "décente" is an adjective and "démence" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary French text, does "décente" or "démence" show up more?
"démence" is the more common of the two: it sits at frequency rank #18,183 in our French list, against #29,734 for "décente". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Eye-level mix-up between "décente" and "démence" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "décente" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "démence" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #183,110 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "décente" and "démence" also get mixed up with nearby pairs, the highest-scored neighbour is "décente vs décents". Nearby pair

Confusion rank #183,110 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