MorivsmouConfusable pair

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

Which to use

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

#24,833
“Mori” frequency rank
#25,145
“mou” frequency rank
49978
confusion score

Side-by-Side Comparison

Feature Mori mou
Definition A surname from Japanese. Sentence-final particle, forms a tag question.

Letter map: Mori vs mou

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

4 ch
Mori
3 ch
mou

Part-of-speech tell for Mori / mou

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: Mori is aname and mouaparticle. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 49978, derived from the frequency rank of both members and their visual similarity.

Mori is recorded at frequency rank #24,833, classified as aname. 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 49978, this pair ranks #178,472 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of Mori vs mou

Shared letters: mo. Private to "Mori": ir. Private to "mou": u.

"Mori" · 4 letters · shape CVCV  ·  "mou" · 3 letters · shape CVV

Known mistypes of this pair

  • Morimmori · moir · morri · mroi · omri

Frequently Asked Questions

Is swapping "Mori" for "mou" ever safe?
No - they are not even the same part of speech. "Mori" is a name and "mou" a particle, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "Mori" vs "mou" - which ranks higher?
"Mori" is the more common of the two: it sits at frequency rank #24,833 in our English list, against #25,145 for "mou". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Pair "Mori" vs "mou" is on the table, pick a follow-up below.

  • Full dictionary entry for "Mori" 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 #178,472 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "Mori" 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 #178,472 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