différentvsdiffusentWhich spelling fits?

Quick tell: différent is a adjective, diffusent is a verb, so they fill different roles in a sentence.

Which to use

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

#1,768
“différent” frequency rank
#21,286
“diffusent” frequency rank
23054
confusion score

Side-by-Side Comparison

Feature différent diffusent
Definition Qui n’est pas pareil ; qui est autre ou distinct. Troisième personne du pluriel du présent de l’indicatif de diffuser.

Where the eye mixes différent and diffusent

Muted = shared; highlighted = the visual trap. They share 7 letters in sequence.

9 ch
différent
9 ch
diffusent

Visual trap between différent and diffusent

These two trip readers on the page rather than in the ear: différent is \di.fe.ʁɑ̃\ while diffusent is \di.fyz\. 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 verb), which is usually the fastest check. Our composite confusion score for this pair is 23054, derived from the frequency rank of both members and their visual similarity.

différent is recorded at frequency rank #1,768, classified as anadj, pronounced \di.fe.ʁɑ̃\. diffusent is at rank #21,286, tagged as averb, pronounced \di.fyz\.

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 23054, this pair ranks #354,632 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of différent vs diffusent

Shared letters: defint. Private to "différent": . Private to "diffusent": su.

"différent" · 9 letters · shape CVCCVCVCC  ·  "diffusent" · 9 letters · shape CVCCVCVCC

Known mistypes of this pair

  • diffusentddiffusent · dfifusent · diffsuent · diffuesnt · diffusennt · diffusentt · diffusetn · diffusnet

Frequently Asked Questions

Is swapping "différent" for "diffusent" ever safe?
No - they are not even the same part of speech. "différent" is an adjective and "diffusent" a verb, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "différent" or "diffusent"?
"différent" is the more common of the two: it sits at frequency rank #1,768 in our French list, against #21,286 for "diffusent". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "différent" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "diffusent" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #354,632 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "différent" and "diffusent" also get mixed up with nearby pairs, the highest-scored neighbour is "diffusent vs diffusera". Nearby pair
  • Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #354,632 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