Which to use
“chock” and “clock” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #34,430
- “chock” frequency rank
- #3,414
- “clock” frequency rank
- 37844
- confusion score
Side-by-Side Comparison
| Feature | chock | clock |
|---|---|---|
| Definition | Any object used as a wedge or filler, especially when placed behind a wheel to prevent it from rolling. | A chronometer, an instrument that measures time, particularly the time of day. |
Where the eye mixes chock and clock
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.
Visual trap between chock and clock
A purely visual mix-up. chock (/tʃɒk/) 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 - h in “chock” becomes l in “clock”. Our composite confusion score for this pair is 37844, derived from the frequency rank of both members and their visual similarity.
chock is recorded at frequency rank #34,430, classified as anoun, pronounced /tʃɒk/. 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 37844, this pair ranks #290,981 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of chock vs clock
Shared letters: cko. Private to "chock": h. Private to "clock": l.
"chock" · 5 letters · shape CCVCC · "clock" · 5 letters · shape CCVCC
Known mistypes of this pair
Frequently Asked Questions
Is swapping "chock" for "clock" ever safe?
Frequency check: "chock" vs "clock" - which ranks higher?
What to do next
Eye-level mix-up between "chock" and "clock" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "chock" 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 #290,981 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "chock" and "clock" also get mixed up with nearby pairs, the highest-scored neighbour is "chock vs clack". 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 #290,981 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.