Which to use
“mofo” and “muff” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #46,074
- “mofo” frequency rank
- #41,774
- “muff” frequency rank
- 87848
- confusion score
Side-by-Side Comparison
| Feature | mofo | muff |
|---|---|---|
| Definition | Abbreviation of motherfucker. | A piece of fur or cloth, usually with open ends, used for keeping the hands warm. |
Where the eye mixes mofo and muff
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. mofo (CVCV) and muff (CVCC) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.
Visual trap between mofo and muff
A purely visual mix-up. mofo (/ˈməʊfəʊ/) and muff (/mʌf/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 87848, derived from the frequency rank of both members and their visual similarity.
mofo is recorded at frequency rank #46,074, classified as anoun, pronounced /ˈməʊfəʊ/. muff is at rank #41,774, tagged as anoun, pronounced /mʌf/.
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 87848, this pair ranks #7,085 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of mofo vs muff
Shared letters: fm. Private to "mofo": o. Private to "muff": u.
"mofo" · 4 letters · shape CVCV · "muff" · 4 letters · shape CVCC
Known mistypes of this pair
Frequently Asked Questions
Can "mofo" and "muff" be used interchangeably?
Which is more common, "mofo" or "muff"?
What to do next
Eye-level mix-up between "mofo" and "muff" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "mofo" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "muff" - compare definitions side by side with the headword page. Word entry
- This pair ranks #7,085 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "mofo" and "muff" also get mixed up with nearby pairs, the highest-scored neighbour is "mofo vs Moog". 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 #7,085 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.