Which to use
“perm” and “pur” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #24,863
- “perm” frequency rank
- #34,243
- “pur” frequency rank
- 59106
- confusion score
Side-by-Side Comparison
| Feature | perm | pur |
|---|---|---|
| Definition | Clipping of permanent wave (“hairstyle”). | Dated form of purr (“low murmuring sound as of a cat”). |
Letter map: perm vs pur
Shared letters muted; letters that set perm and pur apart highlighted. Shared run: 2.
Spelling & dictionary notes on perm vs pur
perm and pur are indexed as a confusable English pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 59106, derived from the frequency rank of both members and their visual similarity.
perm is recorded at frequency rank #24,863, classified as anoun, pronounced /pɝm/. pur is at rank #34,243, tagged as anoun.
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 59106, this pair ranks #108,274 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of perm vs pur
Shared letters: pr. Private to "perm": em. Private to "pur": u.
"perm" · 4 letters · shape CVCC · "pur" · 3 letters · shape CVC
Known mistypes of this pair
- perm ← eprm · pemr · permm · perrm · pperm
Frequently Asked Questions
Can "perm" and "pur" be used interchangeably?
Frequency check: "perm" vs "pur" - which ranks higher?
Useful next steps
Done with this confusable. These links stay specific to "perm" and "pur".
- Full dictionary entry for "perm" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "pur" - compare definitions side by side with the headword page. Word entry
- This pair ranks #108,274 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "perm" and "pur" also get mixed up with nearby pairs, the highest-scored neighbour is "PPA vs pur". 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 #108,274 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.