locksvsluckWhat's the difference?

Which to use

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

#7,810
“locks” frequency rank
#1,312
“luck” frequency rank
9122
confusion score

Side-by-Side Comparison

Feature locks luck
Definition plural of lock Something that happens to someone by chance, a chance occurrence.

Where the eye mixes locks and luck

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

5 ch
locks
4 ch
luck

Why the eye confuses locks with luck

A purely visual mix-up. locks (/lɒks/) and luck (/lʌk/) 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 9122, derived from the frequency rank of both members and their visual similarity.

locks is recorded at frequency rank #7,810, classified as anoun, pronounced /lɒks/. luck is at rank #1,312, tagged as anoun, pronounced /lʌk/.

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 9122, this pair ranks #498,977 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of locks vs luck

Shared letters: ckl. Private to "locks": os. Private to "luck": u.

"locks" · 5 letters · shape CVCCC  ·  "luck" · 4 letters · shape CVCC

Known mistypes of this pair

  • lockslcoks · llocks · loccks · lockks · lockss · locsk · lokcs · olcks
  • lucklcuk · lluck · lucck · luckk · lukc · ulck

Frequently Asked Questions

Is swapping "locks" for "luck" ever safe?
No. They are said differently (/lɒks/ versus /lʌk/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "locks" or "luck"?
"luck" is the more common of the two: it sits at frequency rank #1,312 in our English list, against #7,810 for "locks". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Eye-level mix-up between "locks" and "luck" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "locks" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "luck" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #498,977 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "locks" and "luck" also get mixed up with nearby pairs, the highest-scored neighbour is "locks vs lockup". 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 #498,977 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