Which to use
“clack” and “cuck” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #46,381
- “clack” frequency rank
- #43,586
- “cuck” frequency rank
- 89967
- confusion score
Side-by-Side Comparison
| Feature | clack | cuck |
|---|---|---|
| Definition | An abrupt, sharp sound, especially one made by two hard objects colliding repetitively; a sound midway between a click and a clunk. | A cuckold or cuckquean. |
Where the eye mixes clack and cuck
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.
Visual trap between clack and cuck
A purely visual mix-up. clack (/klæk/) and cuck (/kʌk/) 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 letter(s) in length. Our composite confusion score for this pair is 89967, 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/. cuck is at rank #43,586, tagged as anoun, pronounced /kʌk/.
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 89967, this pair ranks #4,607 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of clack vs cuck
Shared letters: ck. Private to "clack": al. Private to "cuck": u.
"clack" · 5 letters · shape CCVCC · "cuck" · 4 letters · shape CVCC
Known mistypes of this pair
Frequently Asked Questions
Is swapping "clack" for "cuck" ever safe?
Which is more common, "clack" or "cuck"?
What to do next
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "clack" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "cuck" - compare definitions side by side with the headword page. Word entry
- This pair ranks #4,607 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "clack" and "cuck" also get mixed up with nearby pairs, the highest-scored neighbour is "cuck vs cuny". 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 #4,607 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.