lockervslockupWhat's the difference?

Which to use

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

#7,711
“locker” frequency rank
#49,465
“lockup” frequency rank
57176
confusion score

Side-by-Side Comparison

Feature locker lockup
Definition A type of storage compartment with a lock, usually used to store personal possessions for public use, such as in schools, railway stations, place of work, gyms, sports centers. A jail cell; a period of incarceration in such a cell; a facility containing such cells.

Letter map: locker vs lockup

Shared letters muted; letters that set locker and lockup apart highlighted. Shared run: 4.

6 ch
locker
6 ch
lockup

Pair insight - locker / lockup

locker and lockup are indexed as a confusable English pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 57176, derived from the frequency rank of both members and their visual similarity.

locker is recorded at frequency rank #7,711, classified as anoun, pronounced /ˈlɒk.ə(ɹ)/. lockup is at rank #49,465, tagged as anoun.

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 57176, this pair ranks #121,085 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of locker vs lockup

Shared letters: cklo. Private to "locker": er. Private to "lockup": pu.

"locker" · 6 letters · shape CVCCVC  ·  "lockup" · 6 letters · shape CVCCVC

Known mistypes of this pair

  • lockerlcoker · llocker · loccker · locekr · lockerr · lockker · lockre · lokcer
  • lockuplcokup · llockup · locckup · lockkup · lockpu · lockupp · locukp · lokcup

Frequently Asked Questions

Is swapping "locker" for "lockup" ever safe?
No. They share most of their letters but differ in 2 positions, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.
Frequency check: "locker" vs "lockup" - which ranks higher?
"locker" is the more common of the two: it sits at frequency rank #7,711 in our English list, against #49,465 for "lockup". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Done with this confusable. These links stay specific to "locker" and "lockup".

  • Full dictionary entry for "locker" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "lockup" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #121,085 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "locker" and "lockup" also get mixed up with nearby pairs, the highest-scored neighbour is "lockup vs locum". 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 #121,085 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