macvsmmWhat's the difference?

Quick tell: mac is a noun, mm is an abbrev, so they fill different roles in a sentence.

Which to use

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

#4,810
“mac” frequency rank
#1,186
“mm” frequency rank
5996
confusion score

Side-by-Side Comparison

Feature mac mm
Definition weites Kleidungsstück mit Ärmeln, das mindestens bis zu den Knien reicht und wasserdicht ist Einheitensymbol für Millimeter

Letter map: mac vs mm

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

3 ch
mac
2 ch
mm

Role in the sentence - mac and mm

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: mac is anoun and mmanabbrev. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 5996, derived from the frequency rank of both members and their visual similarity.

mac is recorded at frequency rank #4,810, classified as anoun, pronounced [mæk]. 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 5996, this pair ranks #1,993,048 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of mac vs mm

Shared letters: m. Private to "mac": ac. Private to "mm": -.

"mac" · 3 letters · shape CVC  ·  "mm" · 2 letters · shape CC

Frequently Asked Questions

Do "mac" and "mm" mean the same thing in a sentence?
No - they are not even the same part of speech. "mac" is a noun and "mm" an abbrev, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "mac" or "mm"?
"mm" is the more common of the two: it sits at frequency rank #1,186 in our German list, against #4,810 for "mac". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Pair "mac" vs "mm" is on the table, pick a follow-up below.

  • Full dictionary entry for "mac" 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 #1,993,048 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "mac" and "mm" also get mixed up with nearby pairs, the highest-scored neighbour is "mac vs Mals". Nearby pair

Confusion rank #1,993,048 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list