Which to use
“pur” is an adjective and “pus” is a noun - they look or sound alike but fill different roles in a sentence.
- #3,034
- “pur” frequency rank
- #13,881
- “pus” frequency rank
- 16915
- confusion score
Side-by-Side Comparison
| Feature | pur | pus |
|---|---|---|
| Definition | Qui est sans mélange, en parlant d’un produit, d’une émotion. | Matière liquide, épaisse, blanchâtre, qui se forme dans les abcès, qui sort des plaies et des ulcères. |
Where the eye mixes pur and pus
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Visual trap between pur and pus
These two trip readers on the page rather than in the ear: pur is \pyʁ\ while pus is \py\. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - r in “pur” becomes s in “pus”, and the parts of speech differ too (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 16915, derived from the frequency rank of both members and their visual similarity.
pur is recorded at frequency rank #3,034, classified as anadj, pronounced \pyʁ\. pus is at rank #13,881, tagged as anoun, pronounced \py\.
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 16915, this pair ranks #385,663 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of pur vs pus
Shared letters: pu. Private to "pur": r. Private to "pus": s.
"pur" · 3 letters · shape CVC · "pus" · 3 letters · shape CVC
Frequently Asked Questions
Is swapping "pur" for "pus" ever safe?
In ordinary French text, does "pur" or "pus" show up more?
Useful next steps
Eye-level mix-up between "pur" and "pus" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "pur" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "pus" - compare definitions side by side with the headword page. Word entry
- This pair ranks #385,663 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "pur" and "pus" also get mixed up with nearby pairs, the highest-scored neighbour is "pio vs pus". Nearby pair
Confusion rank #385,663 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.