pvsPMWhat's the difference?

Quick tell: p is a character, PM is a noun, so they fill different roles in a sentence.

Which to use

“p” is a character and “PM” is a noun - they look or sound alike but fill different roles in a sentence.

#776
“p” frequency rank
#2,086
“PM” frequency rank
2862
confusion score

Side-by-Side Comparison

Feature p PM
Definition The sixteenth letter of the English alphabet, called pee and written in the Latin script. Initialism of post mortem.

Where the eye mixes p and PM

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

1 ch
p
2 ch
PM

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: p is /piː/ while PM is /ˌpiː ˈɛm/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 extra letter(s) - “p” sits inside “PM”, and the parts of speech differ too (character vs noun), which is usually the fastest check. Our composite confusion score for this pair is 2862, derived from the frequency rank of both members and their visual similarity.

p is recorded at frequency rank #776, classified as acharacter, pronounced /piː/. PM is at rank #2,086, tagged as anoun, pronounced /ˌpiː ˈɛm/.

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 2862, this pair ranks #523,814 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of p vs PM

Shared letters: p. Private to "p": -. Private to "PM": m.

"p" · 1 letters · shape C  ·  "PM" · 2 letters · shape CC

Frequently Asked Questions

Can "p" and "PM" be used interchangeably?
No - they are not even the same part of speech. "p" is a character and "PM" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "p" or "PM"?
"p" is the more common of the two: it sits at frequency rank #776 in our English list, against #2,086 for "PM". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

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

Source: FrequencyWords open word-frequency list