MorivsmothTell them apart

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

Which to use

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

#24,833
“Mori” frequency rank
#15,005
“moth” frequency rank
39838
confusion score

Side-by-Side Comparison

Feature Mori moth
Definition A surname from Japanese. Any flying insect of the order Lepidoptera not in the superfamily Papilionoidea, most species of which are nocturnal and can be distinguished from butterflies by feather-like antennae.

Letter map: Mori vs moth

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

4 ch
Mori
4 ch
moth

Grammar separator: Mori vs moth

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: Mori is aname and mothanoun. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 39838, derived from the frequency rank of both members and their visual similarity.

Mori is recorded at frequency rank #24,833, classified as aname. moth is at rank #15,005, tagged as anoun, pronounced /mɒθ/.

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 39838, this pair ranks #273,056 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of Mori vs moth

Shared letters: mo. Private to "Mori": ir. Private to "moth": ht.

"Mori" · 4 letters · shape CVCV  ·  "moth" · 4 letters · shape CVCC

Known mistypes of this pair

  • Morimmori · moir · morri · mroi · omri
  • mothmmoth · moht · mothh · motth · mtoh · omth

Frequently Asked Questions

Is swapping "Mori" for "moth" ever safe?
No - they are not even the same part of speech. "Mori" is a name and "moth" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "Mori" or "moth" show up more?
"moth" is the more common of the two: it sits at frequency rank #15,005 in our English list, against #24,833 for "Mori". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

You've compared "Mori" and "moth". Here's where to go from here.

  • Full dictionary entry for "Mori" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "moth" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #273,056 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "Mori" and "moth" also get mixed up with nearby pairs, the highest-scored neighbour is "Moog vs Mori". 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 #273,056 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