clockvscuckConfusable pair

Which to use

“clock” and “cuck” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#3,414
“clock” frequency rank
#43,586
“cuck” frequency rank
47000
confusion score

Side-by-Side Comparison

Feature clock cuck
Definition A chronometer, an instrument that measures time, particularly the time of day. A cuckold or cuckquean.

Where the eye mixes clock and cuck

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

5 ch
clock
4 ch
cuck

Why the eye confuses clock with cuck

A purely visual mix-up. clock (/klɒk/) 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 47000, derived from the frequency rank of both members and their visual similarity.

clock is recorded at frequency rank #3,414, classified as anoun, pronounced /klɒk/. 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 47000, this pair ranks #206,508 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of clock vs cuck

Shared letters: ck. Private to "clock": lo. Private to "cuck": u.

"clock" · 5 letters · shape CCVCC  ·  "cuck" · 4 letters · shape CVCC

Known mistypes of this pair

  • clockcclock · clcok · cllock · clocck · clockk · clokc · colck · lcock
  • cuckccuck · ccuk · cucck · cuckk · cukc · ucck

Frequently Asked Questions

Can "clock" and "cuck" be used interchangeably?
No. They are said differently (/klɒk/ versus /kʌk/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "clock" vs "cuck" - which ranks higher?
"clock" is the more common of the two: it sits at frequency rank #3,414 in our English list, against #43,586 for "cuck". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "clock" 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 #206,508 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "clock" 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 #206,508 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list