Which to use
“mudd” is a noun and “must” is a verb - they look or sound alike but fill different roles in a sentence.
- #48,367
- “mudd” frequency rank
- #198
- “must” frequency rank
- 48565
- confusion score
Side-by-Side Comparison
| Feature | mudd | must |
|---|---|---|
| Definition | Obsolete spelling of mud. | To do as a requirement; indicates that the sentence subject is required as an imperative or directive to execute the sentence predicate, with failure to do so resulting in a failure or negative consequence. |
Letter map: mudd vs must
Shared letters muted; letters that set mudd and must apart highlighted. Shared run: 2.
Grammar separator: mudd vs must
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: mudd is anoun and mustaverb. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 48565, derived from the frequency rank of both members and their visual similarity.
mudd is recorded at frequency rank #48,367, classified as anoun. must is at rank #198, tagged as averb, pronounced /məst/.
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 48565, this pair ranks #191,836 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of mudd vs must
Shared letters: mu. Private to "mudd": d. Private to "must": st.
"mudd" · 4 letters · shape CVCC · "must" · 4 letters · shape CVCC
Known mistypes of this pair
Frequently Asked Questions
Do "mudd" and "must" mean the same thing in a sentence?
In ordinary English text, does "mudd" or "must" show up more?
Useful next steps
Done with this confusable. These links stay specific to "mudd" and "must".
- Full dictionary entry for "mudd" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "must" - compare definitions side by side with the headword page. Word entry
- This pair ranks #191,836 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "mudd" and "must" 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 #191,836 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.