muddvsmuleTell them apart

Which to use

“mudd” and “mule” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#48,367
“mudd” frequency rank
#16,279
“mule” frequency rank
64646
confusion score

Side-by-Side Comparison

Feature mudd mule
Definition Obsolete spelling of mud. The generally sterile male or female hybrid offspring of a male donkey and a female horse.

Letter map: mudd vs mule

Shared letters muted; letters that set mudd and mule apart highlighted. Shared run: 2.

4 ch
mudd
4 ch
mule

Spelling & dictionary notes on mudd vs mule

mudd and mule are indexed as a confusable English pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 64646, derived from the frequency rank of both members and their visual similarity.

mudd is recorded at frequency rank #48,367, classified as anoun. mule is at rank #16,279, tagged as anoun, pronounced /mjuːl/.

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 64646, this pair ranks #76,671 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of mudd vs mule

Shared letters: mu. Private to "mudd": d. Private to "mule": el.

"mudd" · 4 letters · shape CVCC  ·  "mule" · 4 letters · shape CVCV

Known mistypes of this pair

  • muddmdud · mmudd · umdd
  • mulemlue · mmule · muel · mulle · umle

Frequently Asked Questions

Can "mudd" and "mule" be used interchangeably?
No. They share most of their letters but differ in 2 positions, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.
In ordinary English text, does "mudd" or "mule" show up more?
"mule" is the more common of the two: it sits at frequency rank #16,279 in our English list, against #48,367 for "mudd". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Done with this confusable. These links stay specific to "mudd" and "mule".

  • Full dictionary entry for "mudd" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "mule" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #76,671 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "mudd" and "mule" also get mixed up with nearby pairs, the highest-scored neighbour is "muda vs mudd". 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 #76,671 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list