Which to use
“diffusée” and “diffuser” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #6,603
- “diffusée” frequency rank
- #6,183
- “diffuser” frequency rank
- 12786
- confusion score
Side-by-Side Comparison
| Feature | diffusée | diffuser |
|---|---|---|
| Definition | Participe passé féminin singulier de diffuser. | Répandre dans toutes les directions. |
Same sound, different letters: diffusée vs diffuser
Muted letters are shared; highlighted letters are the only spelling cue when pronunciation matches. Shared run: 7 letters.
Homophone desk: diffusée vs diffuser
This is the hard kind. diffusée and diffuser are pronounced identically (\di.fy.ze\) and both work as averb. Neither the ear nor the grammar will rescue you; only the meaning does, so the glosses below are the whole decision. They share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 12786, derived from the frequency rank of both members and their visual similarity.
diffusée is recorded at frequency rank #6,603, classified as averb, pronounced \di.fy.ze\. diffuser is at rank #6,183, 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 12786, this pair ranks #403,772 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of diffusée vs diffuser
Shared letters: defisu. Private to "diffusée": é. Private to "diffuser": r.
"diffusée" · 8 letters · shape CVCCVCVV · "diffuser" · 8 letters · shape CVCCVCVC
Known mistypes of this pair
- diffuser ← ddiffuser · dfifuser · diffsuer · diffuesr · diffuserr · diffusre · diffusser · difufser
Frequently Asked Questions
Is swapping "diffusée" for "diffuser" ever safe?
Frequency check: "diffusée" vs "diffuser" - which ranks higher?
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 "diffusée" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "diffuser" - compare definitions side by side with the headword page. Word entry
- This pair ranks #403,772 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "diffusée" and "diffuser" also get mixed up with nearby pairs, the highest-scored neighbour is "diffusée 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 #403,772 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.