mustyvsmuttWhat's the difference?

Quick tell: musty is a adjective, mutt is a noun, so they fill different roles in a sentence.

Which to use

“musty” is an adjective and “mutt” is a noun - they look or sound alike but fill different roles in a sentence.

#35,838
“musty” frequency rank
#31,665
“mutt” frequency rank
67503
confusion score

Side-by-Side Comparison

Feature musty mutt
Definition Affected by dampness or mould; damp, mildewed, mouldy. A mongrel dog (or sometimes cat); an animal of mixed breed or uncertain origin.

Where the spellings diverge

Shared letters are muted; the letters that actually set musty and mutt apart are highlighted. They share 3 letters in sequence, which is exactly why the eye skips the difference.

5 ch
musty
4 ch
mutt

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: musty is /ˈmʌsti/ while mutt is /mʌt/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 67503, derived from the frequency rank of both members and their visual similarity.

musty is recorded at frequency rank #35,838, classified as anadj, pronounced /ˈmʌsti/. mutt is at rank #31,665, tagged as anoun, pronounced /mʌt/.

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 67503, this pair ranks #63,042 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of musty vs mutt

Shared letters: mtu. Private to "musty": sy. Private to "mutt": -.

"musty" · 5 letters · shape CVCCV  ·  "mutt" · 4 letters · shape CVCC

Known mistypes of this pair

  • mustymmusty · msuty · mussty · mustty · mustyy · musyt · mutsy · umsty
  • muttmmutt · mtut · mut · umtt

Frequency comparison

musty#35,838
mutt#31,665

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "musty" and "mutt" be used interchangeably?
No - they are not even the same part of speech. "musty" is an adjective and "mutt" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "musty" or "mutt"?
"mutt" is the more common of the two: it sits at frequency rank #31,665 in our English list, against #35,838 for "musty". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering musty vs mutt

The fastest way to pick the right one every time.

  • Check the role first: if you need an adjective, it's “musty”; for a noun, it's “mutt”.
  • See each word in full, definition, IPA, etymology and its other confusables. Full “musty” entry
  • Browse more pairs most likely to be confused. Most confusable

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

Source: FrequencyWords open word-frequency list