clackvscracksWhat's the difference?

Which to use

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

#46,381
“clack” frequency rank
#8,267
“cracks” frequency rank
54648
confusion score

Side-by-Side Comparison

Feature clack cracks
Definition An abrupt, sharp sound, especially one made by two hard objects colliding repetitively; a sound midway between a click and a clunk. plural of crack

Where the eye mixes clack and cracks

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.

5 ch
clack
6 ch
cracks

Why the eye confuses clack with cracks

A purely visual mix-up. clack (/klæk/) and cracks (/kɹæks/) 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 54648, 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/. cracks is at rank #8,267, tagged as anoun, pronounced /kɹæks/.

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 54648, this pair ranks #139,475 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of clack vs cracks

Shared letters: ack. Private to "clack": l. Private to "cracks": rs.

"clack" · 5 letters · shape CCVCC  ·  "cracks" · 6 letters · shape CCVCCC

Known mistypes of this pair

  • clackcalck · cclack · clacck · clackk · clakc · clcak · cllack · lcack
  • crackscarcks · ccracks · craccks · crackks · crackss · cracsk · crakcs · crcaks

Frequently Asked Questions

Can "clack" and "cracks" be used interchangeably?
No. They are said differently (/klæk/ versus /kɹæks/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "clack" or "cracks"?
"cracks" is the more common of the two: it sits at frequency rank #8,267 in our English list, against #46,381 for "clack". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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 "cracks" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #139,475 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "clack" and "cracks" 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 #139,475 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