Which to use
“Perm” is a name and “pro” is a noun - they look or sound alike but fill different roles in a sentence.
- #33,397
- “Perm” frequency rank
- #1,039
- “pro” frequency rank
- 34436
- confusion score
Side-by-Side Comparison
| Feature | Perm | pro |
|---|---|---|
| Definition | Ville de la Russie européenne, située au pied des monts Oural. | Professionnel, professionnelle. |
Where the eye mixes Perm and pro
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Visual trap between Perm and pro
These two trip readers on the page rather than in the ear: Perm is \pɛʁm\ while pro is \pʁo\. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (name vs noun), which is usually the fastest check. Our composite confusion score for this pair is 34436, 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\. pro is at rank #1,039, tagged as anoun, pronounced \pʁo\.
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 34436, this pair ranks #283,837 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of Perm vs pro
Shared letters: pr. Private to "Perm": em. Private to "pro": o.
"Perm" · 4 letters · shape CVCC · "pro" · 3 letters · shape CCV
Known mistypes of this pair
- Perm ← eprm · pemr · permm · perrm · pperm
Frequently Asked Questions
Can "Perm" and "pro" be used interchangeably?
In ordinary French text, does "Perm" or "pro" show up more?
After this comparison
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 "pro" - compare definitions side by side with the headword page. Word entry
- This pair ranks #283,837 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "Perm" and "pro" 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 #283,837 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.