Which to use
“clack” and “clock” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #46,381
- “clack” frequency rank
- #3,414
- “clock” frequency rank
- 49795
- confusion score
Side-by-Side Comparison
| Feature | clack | clock |
|---|---|---|
| Definition | An abrupt, sharp sound, especially one made by two hard objects colliding repetitively; a sound midway between a click and a clunk. | A chronometer, an instrument that measures time, particularly the time of day. |
Where the eye mixes clack and clock
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.
Look-alike desk: clack vs clock
A purely visual mix-up. clack (/klæk/) and clock (/klɒk/) 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 a single letter - a in “clack” becomes o in “clock”. Our composite confusion score for this pair is 49795, derived from the frequency rank of both members and their visual similarity.
clack is recorded at frequency rank #46,381, classified as anoun, pronounced /klæk/. clock is at rank #3,414, tagged as anoun, pronounced /klɒk/.
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 49795, this pair ranks #180,198 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of clack vs clock
Shared letters: ckl. Private to "clack": a. Private to "clock": o.
"clack" · 5 letters · shape CCVCC · "clock" · 5 letters · shape CCVCC
Known mistypes of this pair
Frequently Asked Questions
Do "clack" and "clock" mean the same thing in a sentence?
Frequency check: "clack" vs "clock" - which ranks higher?
What to do next
Eye-level mix-up between "clack" and "clock" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "clack" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "clock" - compare definitions side by side with the headword page. Word entry
- This pair ranks #180,198 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "clack" and "clock" also get mixed up with nearby pairs, the highest-scored neighbour is "clack vs clink". 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 #180,198 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.