diffusésvsdiffuseurWhat's the difference?

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

Which to use

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

#12,947
“diffusés” frequency rank
#19,258
“diffuseur” frequency rank
32205
confusion score

Side-by-Side Comparison

Feature diffusés diffuseur
Definition Participe passé masculin pluriel de diffuser. Qui diffuse.

Where the eye mixes diffusés and diffuseur

Muted = shared; highlighted = the visual trap. They share 6 letters in sequence.

8 ch
diffusés
9 ch
diffuseur

Visual trap between diffusés and diffuseur

These two trip readers on the page rather than in the ear: diffusés is \di.fy.ze\ while diffuseur is \di.fy.zœʁ\. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (verb vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 32205, derived from the frequency rank of both members and their visual similarity.

diffusés is recorded at frequency rank #12,947, classified as averb, pronounced \di.fy.ze\. diffuseur is at rank #19,258, tagged as anadj, pronounced \di.fy.zœʁ\.

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 32205, this pair ranks #298,818 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of diffusés vs diffuseur

Shared letters: dfisu. Private to "diffusés": é. Private to "diffuseur": er.

"diffusés" · 8 letters · shape CVCCVCVC  ·  "diffuseur" · 9 letters · shape CVCCVCVVC

Known mistypes of this pair

  • diffuseurddiffuseur · dfifuseur · diffsueur · diffuesur · diffuseru · diffuseurr · diffusseur · diffusuer

Frequently Asked Questions

Can "diffusés" and "diffuseur" be used interchangeably?
No - they are not even the same part of speech. "diffusés" is a verb and "diffuseur" an adjective, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "diffusés" vs "diffuseur" - which ranks higher?
"diffusés" is the more common of the two: it sits at frequency rank #12,947 in our French list, against #19,258 for "diffuseur". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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

  • Full dictionary entry for "diffusés" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "diffuseur" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #298,818 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "diffusés" and "diffuseur" also get mixed up with nearby pairs, the highest-scored neighbour is "diffusera vs diffuseur". 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 #298,818 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