Which to use
“diffusion” and “diffusions” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #2,570
- “diffusion” frequency rank
- #37,272
- “diffusions” frequency rank
- 39842
- confusion score
Side-by-Side Comparison
| Feature | diffusion | diffusions |
|---|---|---|
| Definition | Action de répandre dans tous les sens. | Pluriel de diffusion. |
Same sound, different letters: diffusion vs diffusions
Muted letters are shared; highlighted letters are the only spelling cue when pronunciation matches. Shared run: 9 letters.
Homophone desk: diffusion vs diffusions
This is the hard kind. diffusion and diffusions are pronounced identically (\di.fy.zjɔ̃\) and both work as anoun. Neither the ear nor the grammar will rescue you; only the meaning does, so the glosses below are the whole decision. They differ by 1 extra letter(s) - “diffusion” sits inside “diffusions”. Our composite confusion score for this pair is 39842, derived from the frequency rank of both members and their visual similarity.
diffusion is recorded at frequency rank #2,570, classified as anoun, pronounced \di.fy.zjɔ̃\. diffusions is at rank #37,272, tagged as anoun, pronounced \di.fy.zjɔ̃\.
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 39842, this pair ranks #244,953 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of diffusion vs diffusions
Shared letters: dfinosu. Private to "diffusion": -. Private to "diffusions": -.
"diffusion" · 9 letters · shape CVCCVCVVC · "diffusions" · 10 letters · shape CVCCVCVVCC
Known mistypes of this pair
- diffusion ← ddiffusion · dfifusion · diffsuion · diffuison · diffusino · diffusionn · diffusoin · diffussion
- diffusions ← ddiffusions · dfifusions · diffsuions · diffuisons · diffusinos · diffusionns · diffusionss · diffusiosn
Frequently Asked Questions
Can "diffusion" and "diffusions" be used interchangeably?
Which is more common, "diffusion" or "diffusions"?
What to do next
"diffusion" and "diffusions" share a sound, keep the gloss open, then jump to the headword or a nearby trap.
- Full dictionary entry for "diffusion" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "diffusions" - compare definitions side by side with the headword page. Word entry
- This pair ranks #244,953 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- 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 #244,953 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.