Which to use
“couch” is a noun and “cough” is a verb - they look or sound alike but fill different roles in a sentence.
- #5,407
- “couch” frequency rank
- #7,668
- “cough” frequency rank
- 13075
- confusion score
Side-by-Side Comparison
| Feature | couch | cough |
|---|---|---|
| Definition | An item of furniture, often upholstered, for the comfortable seating of more than one person; a sofa. | Sometimes followed by up: to force (something) out of the lungs or throat by pushing air from the lungs through the glottis (causing a short, explosive sound), and out through the mouth. |
Where the eye mixes couch and cough
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.
Spelling & Dictionary Insight
These two trip readers on the page rather than in the ear: couch is /kaʊt͡ʃ/ while cough is /kɒf/. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - c in “couch” becomes g in “cough”, and the parts of speech differ too (noun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 13075, derived from the frequency rank of both members and their visual similarity.
couch is recorded at frequency rank #5,407, classified as anoun, pronounced /kaʊt͡ʃ/. cough is at rank #7,668, tagged as averb, pronounced /kɒf/.
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 13075, this pair ranks #477,913 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of couch vs cough
Shared letters: chou. Private to "couch": -. Private to "cough": g.
"couch" · 5 letters · shape CVVCC · "cough" · 5 letters · shape CVVCC