Which to use
“Perm” and “Perth” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #33,397
- “Perm” frequency rank
- #28,687
- “Perth” frequency rank
- 62084
- confusion score
Side-by-Side Comparison
| Feature | Perm | Perth |
|---|---|---|
| Definition | Ville de la Russie européenne, située au pied des monts Oural. | Ville d’Écosse située dans le district de Perth and Kinross, traversée par la Tay. |
Where the eye mixes Perm and Perth
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.
Why the eye confuses Perm with Perth
A purely visual mix-up. Perm (\pɛʁm\) and Perth (\pœʁs\) 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 62084, derived from the frequency rank of both members and their visual similarity.
Perm is recorded at frequency rank #33,397, classified as aname, pronounced \pɛʁm\. Perth is at rank #28,687, tagged as aname, pronounced \pœʁs\.
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 62084, this pair ranks #88,900 of 440,172 scored French confusable pairs - among the most confusable pairs.
Orthographic DNA of Perm vs Perth
Shared letters: epr. Private to "Perm": m. Private to "Perth": ht.
"Perm" · 4 letters · shape CVCC · "Perth" · 5 letters · shape CVCCC
Known mistypes of this pair
Frequently Asked Questions
Do "Perm" and "Perth" mean the same thing in a sentence?
Frequency check: "Perm" vs "Perth" - 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 "Perth" - compare definitions side by side with the headword page. Word entry
- This pair ranks #88,900 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "Perm" and "Perth" also get mixed up with nearby pairs, the highest-scored neighbour is "peep vs Perm". 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 #88,900 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.