Which to use
“perm” and “pir” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #24,863
- “perm” frequency rank
- #47,260
- “pir” frequency rank
- 72123
- confusion score
Side-by-Side Comparison
| Feature | perm | pir |
|---|---|---|
| Definition | Clipping of permanent wave (“hairstyle”). | A Muslim holy man or religious leader, especially Sufi. |
Where the eye mixes perm and pir
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Why the eye confuses perm with pir
A purely visual mix-up. perm (/pɝm/) and pir (/pɪə/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 72123, 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/. pir is at rank #47,260, tagged as anoun, pronounced /pɪə/.
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 72123, this pair ranks #44,137 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of perm vs pir
Shared letters: pr. Private to "perm": em. Private to "pir": i.
"perm" · 4 letters · shape CVCC · "pir" · 3 letters · shape CVC
Known mistypes of this pair
- perm ← eprm · pemr · permm · perrm · pperm
Frequently Asked Questions
Is swapping "perm" for "pir" ever safe?
Frequency check: "perm" vs "pir" - which ranks higher?
Useful next steps
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "perm" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "pir" - compare definitions side by side with the headword page. Word entry
- This pair ranks #44,137 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "perm" and "pir" also get mixed up with nearby pairs, the highest-scored neighbour is "pir vs PPA". 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 #44,137 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.