Which to use
“mou” is an adjective and “mouth” is a noun - they look or sound alike but fill different roles in a sentence.
- #46,072
- “mou” frequency rank
- #48,549
- “mouth” frequency rank
- 94621
- confusion score
Side-by-Side Comparison
| Feature | mou | mouth |
|---|---|---|
| Definition | Blando. | Boca. |
Where the eye mixes mou and mouth
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. mou runs 3 letters (CVV) against mouth's 5 (CVVCC) - the length gap alone is often enough to separate them once you know to check it.
Look-alike desk: mou vs mouth
These two trip readers on the page rather than in the ear: mou is [mu] while mouth is /maʊθ/. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 extra letter(s) - “mou” sits inside “mouth”, and the parts of speech differ too (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 94621, derived from the frequency rank of both members and their visual similarity.
mou is recorded at frequency rank #46,072, classified as anadj, pronounced [mu]. mouth is at rank #48,549, tagged as anoun, pronounced /maʊθ/.
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 94621, this pair ranks #768 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.
Orthographic DNA of mou vs mouth
Shared letters: mou. Private to "mou": -. Private to "mouth": ht.
"mou" · 3 letters · shape CVV · "mouth" · 5 letters · shape CVVCC
Known mistypes of this pair
- mouth ← mmouth · motuh · mouht · mouthh · moutth · muoth · omuth
Frequently Asked Questions
Do "mou" and "mouth" mean the same thing in a sentence?
Frequency check: "mou" vs "mouth" - which ranks higher?
After this comparison
Eye-level mix-up between "mou" and "mouth" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "mou" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "mouth" - compare definitions side by side with the headword page. Word entry
- This pair ranks #768 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "mou" and "mouth" also get mixed up with nearby pairs, the highest-scored neighbour is "month vs mouth". 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 #768 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.