Which to use
“perf” and “perfs” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #24,321
- “perf” frequency rank
- #46,951
- “perfs” frequency rank
- 71272
- confusion score
Side-by-Side Comparison
| Feature | perf | perfs |
|---|---|---|
| Definition | Performance. | Pluriel de perf. |
Same sound, different letters: perf vs perfs
Muted letters are shared; highlighted letters are the only spelling cue when pronunciation matches. Shared run: 4 letters. perf runs 4 letters (CVCC) against perfs's 5 (CVCCC) - the length gap alone is often enough to separate them once you know to check it.
Same sound, different spelling - perf / perfs
This is the hard kind. perf and perfs are pronounced identically (\pɛʁf\) 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) - “perf” sits inside “perfs”. Our composite confusion score for this pair is 71272, derived from the frequency rank of both members and their visual similarity.
perf is recorded at frequency rank #24,321, classified as anoun, pronounced \pɛʁf\. perfs is at rank #46,951, tagged as anoun, pronounced \pɛʁf\.
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 71272, this pair ranks #48,171 of 440,172 scored French confusable pairs - among the most confusable pairs.
Orthographic DNA of perf vs perfs
Shared letters: efpr. Private to "perf": -. Private to "perfs": s.
"perf" · 4 letters · shape CVCC · "perfs" · 5 letters · shape CVCCC
Known mistypes of this pair
Frequently Asked Questions
Is swapping "perf" for "perfs" ever safe?
Frequency check: "perf" vs "perfs" - which ranks higher?
After this comparison
Sound matches; spelling doesn't. Use the exits below to lock the right form or check a cousin pair.
- Full dictionary entry for "perf" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "perfs" - compare definitions side by side with the headword page. Word entry
- This pair ranks #48,171 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "perf" and "perfs" 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 #48,171 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.