Mai vs mm, What's the Difference?

Which to use

“Mai” is a noun and “mm” is an abbrev - they look or sound alike but fill different roles in a sentence.

#586
“Mai” frequency rank: #1,186
“mm” frequency rank: 1772
confusion score

Side-by-Side Comparison

Feature	Mai	mm
Definition	der fünfte Monat im Jahr	Einheitensymbol für Millimeter

Letter map: Mai vs mm

Shared letters muted; letters that set Mai and mm apart highlighted. Shared run: 1.

3 ch

Mai

2 ch

Role in the sentence - Mai and mm

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: Mai is anoun and mmanabbrev. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 1772, derived from the frequency rank of both members and their visual similarity.

Mai is recorded at frequency rank #586, classified as anoun, pronounced [maɪ̯]. mm is at rank #1,186, tagged as anabbrev.

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 1772, this pair ranks #2,003,766 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of Mai vs mm

Shared letters: m. Private to "Mai": ai. Private to "mm": -.

"Mai" · 3 letters · shape CVV · "mm" · 2 letters · shape CC

Frequently Asked Questions

Is swapping "Mai" for "mm" ever safe?

No - they are not even the same part of speech. "Mai" is a noun and "mm" an abbrev, so a sentence built for one is usually ungrammatical with the other.

Which is more common, "Mai" or "mm"?

"Mai" is the more common of the two: it sits at frequency rank #586 in our German list, against #1,186 for "mm". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

You've compared "Mai" and "mm". Here's where to go from here.

Full dictionary entry for "Mai" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "mm" - compare definitions side by side with the headword page. Word entry
This pair ranks #2,003,766 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
"Mai" and "mm" also get mixed up with nearby pairs, the highest-scored neighbour is "Mai vs Mals". Nearby pair

Confusion rank #2,003,766 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.