Which to use
“moth” is a noun and “mou” is a particle - they look or sound alike but fill different roles in a sentence.
- #15,005
- “moth” frequency rank
- #25,145
- “mou” frequency rank
- 40150
- confusion score
Side-by-Side Comparison
| Feature | moth | mou |
|---|---|---|
| Definition | 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. | Sentence-final particle, forms a tag question. |
Letter map: moth vs mou
Shared letters muted; letters that set moth and mou apart highlighted. Shared run: 2.
Part-of-speech tell for moth / mou
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: moth is anoun and mouaparticle. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 40150, derived from the frequency rank of both members and their visual similarity.
moth is recorded at frequency rank #15,005, classified as anoun, pronounced /mɒθ/. 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 40150, this pair ranks #270,198 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of moth vs mou
Shared letters: mo. Private to "moth": ht. Private to "mou": u.
"moth" · 4 letters · shape CVCC · "mou" · 3 letters · shape CVV
Known mistypes of this pair
- moth ← mmoth · moht · mothh · motth · mtoh · omth
Frequently Asked Questions
Is swapping "moth" for "mou" ever safe?
Which is more common, "moth" or "mou"?
What to do next
Done with this confusable. These links stay specific to "moth" and "mou".
- Full dictionary entry for "moth" 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 #270,198 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "moth" 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 #270,198 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.