MussvsmüssenWhat's the difference?

Quick tell: Muss is a noun, müssen is a verb, so they fill different roles in a sentence.

Which to use

“Muss” is a noun and “müssen” is a verb - they look or sound alike but fill different roles in a sentence.

#83
“Muss” frequency rank
#154
“müssen” frequency rank
237
confusion score

Side-by-Side Comparison

Feature Muss müssen
Definition etwas, das absolut notwendig ist unausweichlich gezwungen sein, etwas zu tun oder zu erleiden

Where the eye mixes Muss and müssen

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

4 ch
Muss
6 ch
müssen

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: Muss is [mʊs] while müssen is [ˈmʏsn̩]. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 letter(s) in length, and the parts of speech differ too (noun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 237, derived from the frequency rank of both members and their visual similarity.

Muss is recorded at frequency rank #83, classified as anoun, pronounced [mʊs]. müssen is at rank #154, tagged as averb, pronounced [ˈmʏsn̩].

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 237, this pair ranks #2,006,114 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of Muss vs müssen

Shared letters: ms. Private to "Muss": u. Private to "müssen": enü.

"Muss" · 4 letters · shape CVCC  ·  "müssen" · 6 letters · shape CVCCVC

Known mistypes of this pair

  • Mussmmuss · msus · muß · umss

Frequently Asked Questions

Can "Muss" and "müssen" be used interchangeably?
No - they are not even the same part of speech. "Muss" is a noun and "müssen" a verb, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "Muss" or "müssen"?
"Muss" is the more common of the two: it sits at frequency rank #83 in our German list, against #154 for "müssen". 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