Which to use
“muck” and “mug” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #24,837
- “muck” frequency rank
- #11,072
- “mug” frequency rank
- 35909
- confusion score
Side-by-Side Comparison
| Feature | muck | mug |
|---|---|---|
| Definition | Slimy mud, sludge. | A large cup for beverages, usually having a handle and used without a saucer. |
Where the eye mixes muck and mug
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Why the eye confuses muck with mug
A purely visual mix-up. muck (/mʌk/) and mug (/mʌɡ/) 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 1 letter(s) in length. Our composite confusion score for this pair is 35909, derived from the frequency rank of both members and their visual similarity.
muck is recorded at frequency rank #24,837, classified as anoun, pronounced /mʌk/. mug is at rank #11,072, tagged as anoun, pronounced /mʌɡ/.
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 35909, this pair ranks #307,859 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of muck vs mug
Shared letters: mu. Private to "muck": ck. Private to "mug": g.
"muck" · 4 letters · shape CVCC · "mug" · 3 letters · shape CVC
Known mistypes of this pair
- muck ← mcuk · mmuck · mucck · muckk · mukc · umck
Frequently Asked Questions
Can "muck" and "mug" be used interchangeably?
Which is more common, "muck" or "mug"?
After this comparison
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "muck" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "mug" - compare definitions side by side with the headword page. Word entry
- This pair ranks #307,859 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "muck" and "mug" also get mixed up with nearby pairs, the highest-scored neighbour is "muck vs muda". 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 #307,859 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.