mostvsmouTell them apart

Quick tell: most is a determiner, mou is a particle, so they fill different roles in a sentence.

Which to use

“most” is a determiner and “mou” is a particle - they look or sound alike but fill different roles in a sentence.

#104
“most” frequency rank
#25,145
“mou” frequency rank
25249
confusion score

Side-by-Side Comparison

Feature most mou
Definition superlative degree of much. Sentence-final particle, forms a tag question.

Letter map: most vs mou

Shared letters muted; letters that set most and mou apart highlighted. Shared run: 2.

4 ch
most
3 ch
mou

Role in the sentence - most and mou

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: most is adeterminer and mouaparticle. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 25249, derived from the frequency rank of both members and their visual similarity.

most is recorded at frequency rank #104, classified as adet, pronounced /ˈməʊst/. mou is at rank #25,145, tagged as aparticle.

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 25249, this pair ranks #395,751 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of most vs mou

Shared letters: mo. Private to "most": st. Private to "mou": u.

"most" · 4 letters · shape CVCC  ·  "mou" · 3 letters · shape CVV

Known mistypes of this pair

  • mostmmost · mosst · mostt · mots · msot · omst

Frequently Asked Questions

Can "most" and "mou" be used interchangeably?
No - they are not even the same part of speech. "most" is a determiner and "mou" a particle, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "most" or "mou"?
"most" is the more common of the two: it sits at frequency rank #104 in our English list, against #25,145 for "mou". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

Done with this confusable. These links stay specific to "most" and "mou".

  • Full dictionary entry for "most" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "mou" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #395,751 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "most" and "mou" also get mixed up with nearby pairs, the highest-scored neighbour is "Moog vs mou". 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 #395,751 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