Which to use
“knock” and “knocks” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #3,956
- “knock” frequency rank
- #13,005
- “knocks” frequency rank
- 16961
- confusion score
Side-by-Side Comparison
| Feature | knock | knocks |
|---|---|---|
| Definition | An abrupt rapping sound, as from an impact of a hard object against wood. | plural of knock |
Where the eye mixes knock and knocks
Muted = shared; highlighted = the visual trap. They share 5 letters in sequence.
Why the eye confuses knock with knocks
A purely visual mix-up. knock (/nɒk/) and knocks (/nɑks/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 extra letter(s) - “knock” sits inside “knocks”. Our composite confusion score for this pair is 16961, derived from the frequency rank of both members and their visual similarity.
knock is recorded at frequency rank #3,956, classified as anoun, pronounced /nɒk/. knocks is at rank #13,005, tagged as anoun, pronounced /nɑks/.
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 16961, this pair ranks #454,491 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of knock vs knocks
Shared letters: ckno. Private to "knock": -. Private to "knocks": s.
"knock" · 5 letters · shape CCVCC · "knocks" · 6 letters · shape CCVCCC
Known mistypes of this pair
Frequently Asked Questions
Is swapping "knock" for "knocks" ever safe?
In ordinary English text, does "knock" or "knocks" show up more?
After this comparison
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "knock" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "knocks" - compare definitions side by side with the headword page. Word entry
- This pair ranks #454,491 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "knock" and "knocks" also get mixed up with nearby pairs, the highest-scored neighbour is "kno vs knock". Nearby pair
- Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes
Confusion rank #454,491 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.