Which to use
“diffuseur” is an adjective and “diffuseurs” is a noun - they look or sound alike but fill different roles in a sentence.
- #19,258
- “diffuseur” frequency rank
- #29,312
- “diffuseurs” frequency rank
- 48570
- confusion score
Side-by-Side Comparison
| Feature | diffuseur | diffuseurs |
|---|---|---|
| Definition | Qui diffuse. | Pluriel de diffuseur. |
Same sound, different letters: diffuseur vs diffuseurs
Muted letters are shared; highlighted letters are the only spelling cue when pronunciation matches. Shared run: 9 letters.
Same sound, different spelling - diffuseur / diffuseurs
Say them out loud and nothing separates them: diffuseur and diffuseurs carry the same recorded pronunciation, \di.fy.zœʁ\. Grammar is what tells them apart: one is anadjective, the other anoun, so most sentences will only accept one of them. They differ by 1 extra letter(s) - “diffuseur” sits inside “diffuseurs”. Our composite confusion score for this pair is 48570, derived from the frequency rank of both members and their visual similarity.
diffuseur is recorded at frequency rank #19,258, classified as anadj, pronounced \di.fy.zœʁ\. diffuseurs is at rank #29,312, tagged as anoun, 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 48570, this pair ranks #177,861 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of diffuseur vs diffuseurs
Shared letters: defirsu. Private to "diffuseur": -. Private to "diffuseurs": -.
"diffuseur" · 9 letters · shape CVCCVCVVC · "diffuseurs" · 10 letters · shape CVCCVCVVCC
Known mistypes of this pair
- diffuseur ← ddiffuseur · dfifuseur · diffsueur · diffuesur · diffuseru · diffuseurr · diffusseur · diffusuer
- diffuseurs ← ddiffuseurs · dfifuseurs · diffsueurs · diffuesurs · diffuserus · diffuseurrs · diffuseurss · diffuseusr
Frequently Asked Questions
Is swapping "diffuseur" for "diffuseurs" ever safe?
Which is more common, "diffuseur" or "diffuseurs"?
Useful next steps
Sound matches; spelling doesn't. Use the exits below to lock the right form or check a cousin pair.
- Full dictionary entry for "diffuseur" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "diffuseurs" - compare definitions side by side with the headword page. Word entry
- This pair ranks #177,861 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "diffuseur" and "diffuseurs" also get mixed up with nearby pairs, the highest-scored neighbour is "diffusera vs diffuseurs". 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 #177,861 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.