Which to use
“kno” is a verb and “knob” is a noun - they look or sound alike but fill different roles in a sentence.
- #48,851
- “kno” frequency rank
- #15,203
- “knob” frequency rank
- 64054
- confusion score
Side-by-Side Comparison
| Feature | kno | knob |
|---|---|---|
| Definition | Informal spelling of know. | A rounded protuberance, especially one arising from a flat surface; a fleshy lump or caruncle. |
Where the spellings diverge
Shared letters are muted; the letters that actually set kno and knob apart are highlighted. They share 3 letters in sequence, which is exactly why the eye skips the difference.
Spelling & Dictionary Insight
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: kno is averb and knobanoun. On the page they differ by 1 extra letter(s) - “kno” sits inside “knob”. Our composite confusion score for this pair is 64054, derived from the frequency rank of both members and their visual similarity.
kno is recorded at frequency rank #48,851, classified as averb. knob is at rank #15,203, tagged as anoun, pronounced /nɒb/.
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 64054, this pair ranks #79,703 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of kno vs knob
Shared letters: kno. Private to "kno": -. Private to "knob": b.
"kno" · 3 letters · shape CCV · "knob" · 4 letters · shape CCVC
Known mistypes of this pair
- knob ← kknob · knbo · knnob · knobb · konb · nkob
Frequency comparison
Frequently Asked Questions
Can "kno" and "knob" be used interchangeably?
Which is more common, "kno" or "knob"?
Remembering kno vs knob
The fastest way to pick the right one every time.
- Check the role first: if you need a verb, it's “kno”; for a noun, it's “knob”.
- See each word in full, definition, IPA, etymology and its other confusables. Full “kno” entry
- Browse more pairs most likely to be confused. Most confusable