Which to use
“muster” and “mutter” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #16,757
- “muster” frequency rank
- #38,512
- “mutter” frequency rank
- 55269
- confusion score
Side-by-Side Comparison
| Feature | muster | mutter |
|---|---|---|
| Definition | A gathering. | A repressed or obscure utterance; an instance of muttering. |
Where the eye mixes muster and mutter
Muted = shared; highlighted = the visual trap. They share 5 letters in sequence.
Visual trap between muster and mutter
A purely visual mix-up. muster (/ˈmʌs.tə/) and mutter (/ˈmʌtə/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by a single letter - s in “muster” becomes t in “mutter”. Our composite confusion score for this pair is 55269, derived from the frequency rank of both members and their visual similarity.
muster is recorded at frequency rank #16,757, classified as anoun, pronounced /ˈmʌs.tə/. mutter is at rank #38,512, tagged as anoun, pronounced /ˈmʌtə/.
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 55269, this pair ranks #134,891 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of muster vs mutter
Shared letters: emrtu. Private to "muster": s. Private to "mutter": -.
"muster" · 6 letters · shape CVCCVC · "mutter" · 6 letters · shape CVCCVC
Known mistypes of this pair
Frequently Asked Questions
Is swapping "muster" for "mutter" ever safe?
In ordinary English text, does "muster" or "mutter" show up more?
Useful next steps
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "muster" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "mutter" - compare definitions side by side with the headword page. Word entry
- This pair ranks #134,891 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "muster" and "mutter" also get mixed up with nearby pairs, the highest-scored neighbour is "mutate vs mutter". Nearby pair
- Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes
Confusion rank #134,891 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.