démentvsdûmentWhat's the difference?

Quick tell: dément is a adjective, dûment is an adverb, so they fill different roles in a sentence.

Which to use

“dément” is an adjective and “dûment” is an adverb - they look or sound alike but fill different roles in a sentence.

#13,364
“dément” frequency rank
#19,529
“dûment” frequency rank
32893
confusion score

Side-by-Side Comparison

Feature dément dûment
Definition Qui est dans l’état de démence. Selon la raison, selon le droit, selon les formes.

Where the eye mixes dément and dûment

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

6 ch
dément
6 ch
dûment

Look-alike desk: dément vs dûment

These two trip readers on the page rather than in the ear: dément is \de.mɑ̃\ while dûment is \dy.mɑ̃\. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - é in “dément” becomes û in “dûment”, and the parts of speech differ too (adjective vs adverb), which is usually the fastest check. Our composite confusion score for this pair is 32893, derived from the frequency rank of both members and their visual similarity.

dément is recorded at frequency rank #13,364, classified as anadj, pronounced \de.mɑ̃\. dûment is at rank #19,529, tagged as anadv, pronounced \dy.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 32893, this pair ranks #294,251 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of dément vs dûment

Shared letters: demnt. Private to "dément": é. Private to "dûment": û.

"dément" · 6 letters · shape CVCVCC  ·  "dûment" · 6 letters · shape CVCVCC

Frequently Asked Questions

Can "dément" and "dûment" be used interchangeably?
No - they are not even the same part of speech. "dément" is an adjective and "dûment" an adverb, so a sentence built for one is usually ungrammatical with the other.
In ordinary French text, does "dément" or "dûment" show up more?
"dément" is the more common of the two: it sits at frequency rank #13,364 in our French list, against #19,529 for "dûment". 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 "dément" and "dûment" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "dément" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "dûment" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #294,251 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "dément" and "dûment" also get mixed up with nearby pairs, the highest-scored neighbour is "décents vs dément". Nearby pair

Confusion rank #294,251 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