diffèrevsdiffuséWhat's the difference?

Which to use

“diffère” and “diffusé” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#12,352
“diffère” frequency rank
#4,322
“diffusé” frequency rank
16674
confusion score

Side-by-Side Comparison

Feature diffère diffusé
Definition Première personne du singulier du présent de l’indicatif de différer. Participe passé masculin singulier de diffuser.

Where the eye mixes diffère and diffusé

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. diffère and diffusé follow the identical consonant-vowel pattern (CVCCVCV). Same shape at a glance is often the real trap, independent of shared letters.

7 ch
diffère
7 ch
diffusé

Visual trap between diffère and diffusé

A purely visual mix-up. diffère (\di.fɛʁ\) and diffusé (\di.fy.ze\) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 3 positions. Our composite confusion score for this pair is 16674, derived from the frequency rank of both members and their visual similarity.

diffère is recorded at frequency rank #12,352, classified as averb, pronounced \di.fɛʁ\. diffusé is at rank #4,322, tagged as averb, pronounced \di.fy.ze\.

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 16674, this pair ranks #386,769 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of diffère vs diffusé

Shared letters: dfi. Private to "diffère": erè. Private to "diffusé": sué.

"diffère" · 7 letters · shape CVCCVCV  ·  "diffusé" · 7 letters · shape CVCCVCV

Frequently Asked Questions

Do "diffère" and "diffusé" mean the same thing in a sentence?
No. They are said differently (\di.fɛʁ\ versus \di.fy.ze\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary French text, does "diffère" or "diffusé" show up more?
"diffusé" is the more common of the two: it sits at frequency rank #4,322 in our French list, against #12,352 for "diffère". 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 "diffère" and "diffusé" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "diffère" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "diffusé" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #386,769 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "diffère" and "diffusé" also get mixed up with nearby pairs, the highest-scored neighbour is "diffère vs difforme". Nearby pair

Confusion rank #386,769 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