PermvsPMWhich spelling fits?

Quick tell: Perm is a name, PM is a symbol, so they fill different roles in a sentence.

Which to use

“Perm” is a name and “PM” is a symbol - they look or sound alike but fill different roles in a sentence.

#33,397
“Perm” frequency rank
#11,830
“PM” frequency rank
45227
confusion score

Side-by-Side Comparison

Feature Perm PM
Definition Ville de la Russie européenne, située au pied des monts Oural. Post meridiem (après-midi).

Letter map: Perm vs PM

Shared letters muted; letters that set Perm and PM apart highlighted. Shared run: 2.

4 ch
Perm
2 ch
PM

Part-of-speech tell for Perm / PM

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: Perm is aname and PMasymbol. On the page they differ by 2 letter(s) in length. Our composite confusion score for this pair is 45227, 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\. PM is at rank #11,830, tagged as asymbol.

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 45227, this pair ranks #204,373 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of Perm vs PM

Shared letters: mp. Private to "Perm": er. Private to "PM": -.

"Perm" · 4 letters · shape CVCC  ·  "PM" · 2 letters · shape CC

Known mistypes of this pair

  • Permeprm · pemr · permm · perrm · pperm

Frequently Asked Questions

Do "Perm" and "PM" mean the same thing in a sentence?
No - they are not even the same part of speech. "Perm" is a name and "PM" a symbol, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "Perm" vs "PM" - which ranks higher?
"PM" is the more common of the two: it sits at frequency rank #11,830 in our French list, against #33,397 for "Perm". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

You've compared "Perm" and "PM". Here's where to go from here.

  • Full dictionary entry for "Perm" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "PM" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #204,373 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "Perm" and "PM" 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 #204,373 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list