Which to use
“différer” and “diffuser” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #26,326
- “différer” frequency rank
- #6,183
- “diffuser” frequency rank
- 32509
- confusion score
Side-by-Side Comparison
| Feature | différer | diffuser |
|---|---|---|
| Definition | Remettre à un autre temps, à plus tard. | Répandre dans toutes les directions. |
Where the eye mixes différer and diffuser
Muted = shared; highlighted = the visual trap. They share 6 letters in sequence.
Why the eye confuses différer with diffuser
A purely visual mix-up. différer (\di.fe.ʁe\) and diffuser (\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 2 positions. Our composite confusion score for this pair is 32509, derived from the frequency rank of both members and their visual similarity.
différer is recorded at frequency rank #26,326, classified as averb, pronounced \di.fe.ʁe\. 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 32509, this pair ranks #296,798 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of différer vs diffuser
Shared letters: defir. Private to "différer": é. Private to "diffuser": su.
"différer" · 8 letters · shape CVCCVCVC · "diffuser" · 8 letters · shape CVCCVCVC
Known mistypes of this pair
- diffuser ← ddiffuser · dfifuser · diffsuer · diffuesr · diffuserr · diffusre · diffusser · difufser
Frequently Asked Questions
Can "différer" and "diffuser" be used interchangeably?
Frequency check: "différer" vs "diffuser" - which ranks higher?
Useful next steps
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "différer" 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 #296,798 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "différer" and "diffuser" also get mixed up with nearby pairs, the highest-scored neighbour is "différée vs différer". 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 #296,798 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.