Which to use
“perfs” is a noun and “pures” is an adjective - they look or sound alike but fill different roles in a sentence.
- #46,951
- “perfs” frequency rank
- #17,799
- “pures” frequency rank
- 64750
- confusion score
Side-by-Side Comparison
| Feature | perfs | pures |
|---|---|---|
| Definition | Pluriel de perf. | Féminin pluriel de pur. |
Where the eye mixes perfs and pures
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. perfs (CVCCC) and pures (CVCVC) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.
Look-alike desk: perfs vs pures
These two trip readers on the page rather than in the ear: perfs is \pɛʁf\ while pures is \pyʁ\. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 64750, derived from the frequency rank of both members and their visual similarity.
perfs is recorded at frequency rank #46,951, classified as anoun, pronounced \pɛʁf\. pures is at rank #17,799, tagged as anadj, pronounced \pyʁ\.
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 64750, this pair ranks #75,525 of 440,172 scored French confusable pairs - among the most confusable pairs.
Orthographic DNA of perfs vs pures
Shared letters: eprs. Private to "perfs": f. Private to "pures": u.
"perfs" · 5 letters · shape CVCCC · "pures" · 5 letters · shape CVCVC
Known mistypes of this pair
Frequently Asked Questions
Can "perfs" and "pures" be used interchangeably?
Which is more common, "perfs" or "pures"?
What to do next
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "perfs" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "pures" - compare definitions side by side with the headword page. Word entry
- This pair ranks #75,525 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "perfs" and "pures" also get mixed up with nearby pairs, the highest-scored neighbour is "perfs vs pètes". 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 #75,525 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.