kno vs knock, What's the Difference?

Which to use

“kno” is a verb and “knock” is a noun - they look or sound alike but fill different roles in a sentence.

#48,851
“kno” frequency rank: #3,956
“knock” frequency rank: 52807
confusion score

Side-by-Side Comparison

Feature	kno	knock
Definition	Informal spelling of know.	An abrupt rapping sound, as from an impact of a hard object against wood.

Where the spellings diverge

Shared letters are muted; the letters that actually set kno and knock apart are highlighted. They share 3 letters in sequence, which is exactly why the eye skips the difference.

3 ch

kno

5 ch

knock

Spelling & Dictionary Insight

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: kno is averb and knockanoun. On the page they differ by 2 extra letter(s) - “kno” sits inside “knock”. Our composite confusion score for this pair is 52807, derived from the frequency rank of both members and their visual similarity.

kno is recorded at frequency rank #48,851, classified as averb. knock is at rank #3,956, tagged as anoun, pronounced /nɒk/.

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 52807, this pair ranks #154,052 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of kno vs knock

Shared letters: kno. Private to "kno": -. Private to "knock": c.

"kno" · 3 letters · shape CCV · "knock" · 5 letters · shape CCVCC

Known mistypes of this pair

knock ← kknock · kncok · knnock · knocck · knockk · knokc · konck · nkock

Frequency comparison

kno#48,851

knock#3,956

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "kno" and "knock" be used interchangeably?

No - they are not even the same part of speech. "kno" is a verb and "knock" a noun, so a sentence built for one is usually ungrammatical with the other.

Which is more common, "kno" or "knock"?

"knock" is the more common of the two: it sits at frequency rank #3,956 in our English list, against #48,851 for "kno". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Remembering kno vs knock

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 “knock”.
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