multivsmustConfusable pair

Quick tell: multi is a noun, must is a verb, so they fill different roles in a sentence.

Which to use

“multi” is a noun and “must” is a verb - they look or sound alike but fill different roles in a sentence.

#2,801
“multi” frequency rank
#198
“must” frequency rank
2999
confusion score

Side-by-Side Comparison

Feature multi must
Definition Clipping of multistan. 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: multi vs must

Shared letters muted; letters that set multi and must apart highlighted. Shared run: 3.

5 ch
multi
4 ch
must

Part-of-speech tell for multi / must

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: multi is anoun and mustaverb. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 2999, derived from the frequency rank of both members and their visual similarity.

multi is recorded at frequency rank #2,801, 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 2999, this pair ranks #523,418 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of multi vs must

Shared letters: mtu. Private to "multi": il. Private to "must": s.

"multi" · 5 letters · shape CVCCV  ·  "must" · 4 letters · shape CVCC

Known mistypes of this pair

  • multimluti · mmulti · mulit · mullti · multti · mutli · umlti
  • mustmmust · msut · musst · mustt · muts · umst

Frequently Asked Questions

Is swapping "multi" for "must" ever safe?
No - they are not even the same part of speech. "multi" is a noun and "must" a verb, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "multi" or "must" show up more?
"must" is the more common of the two: it sits at frequency rank #198 in our English list, against #2,801 for "multi". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

You've compared "multi" and "must". Here's where to go from here.

  • Full dictionary entry for "multi" 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 #523,418 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "multi" and "must" also get mixed up with nearby pairs, the highest-scored neighbour is "MGS vs must". 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 #523,418 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