Which to use
“sound” is an adjective and “sud” is a noun - they look or sound alike but fill different roles in a sentence.
- #742
- “sound” frequency rank
- #37,717
- “sud” frequency rank
- 38459
- confusion score
Side-by-Side Comparison
| Feature | sound | sud |
|---|---|---|
| Definition | Healthy. | A bubble of lather or foam (the singular of suds). |
Where the eye mixes sound and sud
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.
Spelling & Dictionary Insight
These two trip readers on the page rather than in the ear: sound is /saʊnd/ while sud is /sʌd/. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 letter(s) in length, and the parts of speech differ too (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 38459, derived from the frequency rank of both members and their visual similarity.
sound is recorded at frequency rank #742, classified as anadj, pronounced /saʊnd/. sud is at rank #37,717, tagged as anoun, pronounced /sʌd/.
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 38459, this pair ranks #285,722 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of sound vs sud
Shared letters: dsu. Private to "sound": no. Private to "sud": -.
"sound" · 5 letters · shape CVVCC · "sud" · 3 letters · shape CVC
Known mistypes of this pair
- sound ← osund · sonud · soudn · soundd · sounnd · ssound · suond