MAD vs mm, What's the Difference?

Which to use

“MAD” and “mm” are a confusable German pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#12,532
“MAD” frequency rank: #1,186
“mm” frequency rank: 13718
confusion score

Side-by-Side Comparison

Feature	MAD	mm
Definition	militärischer Abschirmdienst	Einheitensymbol für Millimeter

Letter map: MAD vs mm

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

3 ch

MAD

2 ch

Corpus notes: MAD and mm

MAD and mm are indexed as a confusable German pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 13718, derived from the frequency rank of both members and their visual similarity.

MAD is recorded at frequency rank #12,532, classified as anabbrev, pronounced [ɛmʔaːˈdeː]. 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 13718, this pair ranks #1,956,182 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of MAD vs mm

Shared letters: m. Private to "MAD": ad. Private to "mm": -.

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

Frequently Asked Questions

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

No. They differ by 1 letter(s) in length, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.

In ordinary German text, does "MAD" or "mm" show up more?

"mm" is the more common of the two: it sits at frequency rank #1,186 in our German list, against #12,532 for "MAD". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

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

Full dictionary entry for "MAD" 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 #1,956,182 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
"MAD" and "mm" also get mixed up with nearby pairs, the highest-scored neighbour is "MAD vs Mals". Nearby pair

Confusion rank #1,956,182 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.