m vs mab, What's the Difference?

Which to use

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

#401
“m” frequency rank: #47,175
“mab” frequency rank: 47576
confusion score

Side-by-Side Comparison

Feature	m	mab
Definition	The thirteenth letter of the English alphabet, called em and written in the Latin script.	A slattern.

Letter map: m vs mab

Shared letters muted; letters that set m and mab apart highlighted. Shared run: 1.

1 ch

3 ch

mab

Grammar separator: m vs mab

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: m is acharacter and mabanoun. On the page they differ by 2 extra letter(s) - “m” sits inside “mab”. Our composite confusion score for this pair is 47576, derived from the frequency rank of both members and their visual similarity.

m is recorded at frequency rank #401, classified as acharacter, pronounced /ɛm/. mab is at rank #47,175, tagged as anoun.

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 47576, this pair ranks #201,139 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of m vs mab

Shared letters: m. Private to "m": -. Private to "mab": ab.

"m" · 1 letters · shape C · "mab" · 3 letters · shape CVC

Frequently Asked Questions

Can "m" and "mab" be used interchangeably?

No - they are not even the same part of speech. "m" is a character and "mab" a noun, so a sentence built for one is usually ungrammatical with the other.

In ordinary English text, does "m" or "mab" show up more?

"m" is the more common of the two: it sits at frequency rank #401 in our English list, against #47,175 for "mab". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

You've compared "m" and "mab". Here's where to go from here.

Full dictionary entry for "m" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "mab" - compare definitions side by side with the headword page. Word entry
This pair ranks #201,139 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
"m" and "mab" also get mixed up with nearby pairs, the highest-scored neighbour is "mab vs MPAA". Nearby pair

Confusion rank #201,139 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.