démentirvsdémentisWhich spelling fits?

Quick tell: démentir is a verb, démentis is an adjective, so they fill different roles in a sentence.

Which to use

“démentir” is a verb and “démentis” is an adjective - they look or sound alike but fill different roles in a sentence.

#27,415
“démentir” frequency rank
#43,398
“démentis” frequency rank
70813
confusion score

Side-by-Side Comparison

Feature démentir démentis
Definition Contredire quelqu’un en niant la véracité de ce qu’il a affirmé. Masculin pluriel de démenti.

Where the eye mixes démentir and démentis

Muted = shared; highlighted = the visual trap. They share 7 letters in sequence. démentir and démentis follow the identical consonant-vowel pattern (CVCVCCVC). Same shape at a glance is often the real trap, independent of shared letters.

8 ch
démentir
8 ch
démentis

Why the eye confuses démentir with démentis

These two trip readers on the page rather than in the ear: démentir is \de.mɑ̃.tiʁ\ while démentis is \de.mɑ̃.ti\. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - r in “démentir” becomes s in “démentis”, and the parts of speech differ too (verb vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 70813, derived from the frequency rank of both members and their visual similarity.

démentir is recorded at frequency rank #27,415, classified as averb, pronounced \de.mɑ̃.tiʁ\. démentis is at rank #43,398, tagged as anadj, pronounced \de.mɑ̃.ti\.

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 70813, this pair ranks #49,899 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of démentir vs démentis

Shared letters: deimnté. Private to "démentir": r. Private to "démentis": s.

"démentir" · 8 letters · shape CVCVCCVC  ·  "démentis" · 8 letters · shape CVCVCCVC

Frequently Asked Questions

Is swapping "démentir" for "démentis" ever safe?
No - they are not even the same part of speech. "démentir" is a verb and "démentis" an adjective, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "démentir" or "démentis"?
"démentir" is the more common of the two: it sits at frequency rank #27,415 in our French list, against #43,398 for "démentis". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "démentir" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "démentis" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #49,899 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "démentir" and "démentis" also get mixed up with nearby pairs, the highest-scored neighbour is "décents vs démentis". Nearby pair

Confusion rank #49,899 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