Which to use
“mouth” is a noun and “mouthed” is an adjective - they look or sound alike but fill different roles in a sentence.
- #1,569
- “mouth” frequency rank
- #25,850
- “mouthed” frequency rank
- 27419
- confusion score
Side-by-Side Comparison
| Feature | mouth | mouthed |
|---|---|---|
| Definition | The front opening of a creature through which food is ingested. | Having a specified type of mouth. |
Letter map: mouth vs mouthed
Shared letters muted; letters that set mouth and mouthed apart highlighted. Shared run: 5. mouth runs 5 letters (CVVCC) against mouthed's 7 (CVVCCVC) - the length gap alone is often enough to separate them once you know to check it.
Role in the sentence - mouth and mouthed
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: mouth is anoun and mouthedanadjective. On the page they differ by 2 extra letter(s) - “mouth” sits inside “mouthed”. Our composite confusion score for this pair is 27419, derived from the frequency rank of both members and their visual similarity.
mouth is recorded at frequency rank #1,569, classified as anoun, pronounced /maʊθ/. mouthed is at rank #25,850, tagged as anadj.
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 27419, this pair ranks #379,064 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of mouth vs mouthed
Shared letters: hmotu. Private to "mouth": -. Private to "mouthed": de.
"mouth" · 5 letters · shape CVVCC · "mouthed" · 7 letters · shape CVVCCVC
Known mistypes of this pair
Frequently Asked Questions
Is swapping "mouth" for "mouthed" ever safe?
Which is more common, "mouth" or "mouthed"?
What to do next
Pair "mouth" vs "mouthed" is on the table, pick a follow-up below.
- Full dictionary entry for "mouth" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "mouthed" - compare definitions side by side with the headword page. Word entry
- This pair ranks #379,064 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "mouth" and "mouthed" also get mixed up with nearby pairs, the highest-scored neighbour is "mottled vs mouthed". 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 #379,064 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.