Which to use
“knob” is a noun and “knows” is a verb - they look or sound alike but fill different roles in a sentence.
- #15,203
- “knob” frequency rank
- #906
- “knows” frequency rank
- 16109
- confusion score
Side-by-Side Comparison
| Feature | knob | knows |
|---|---|---|
| Definition | A rounded protuberance, especially one arising from a flat surface; a fleshy lump or caruncle. | third-person singular simple present indicative of know |
Where the spellings diverge
Shared letters are muted; the letters that actually set knob and knows apart are highlighted. They share 3 letters in sequence, which is exactly why the eye skips the difference.
Spelling & Dictionary Insight
These two trip readers on the page rather than in the ear: knob is /nɒb/ while knows is /nəʊz/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (noun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 16109, derived from the frequency rank of both members and their visual similarity.
knob is recorded at frequency rank #15,203, classified as anoun, pronounced /nɒb/. knows is at rank #906, tagged as averb, pronounced /nəʊz/.
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 16109, this pair ranks #459,850 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of knob vs knows
Shared letters: kno. Private to "knob": b. Private to "knows": sw.
"knob" · 4 letters · shape CCVC · "knows" · 5 letters · shape CCVCC
Known mistypes of this pair
Frequency comparison
Frequently Asked Questions
Can "knob" and "knows" be used interchangeably?
Which is more common, "knob" or "knows"?
Remembering knob vs knows
The fastest way to pick the right one every time.
- Check the role first: if you need a noun, it's “knob”; for a verb, it's “knows”.
- See each word in full, definition, IPA, etymology and its other confusables. Full “knob” entry
- Browse more pairs most likely to be confused. Most confusable