lockingvslookingWhat's the difference?

Quick tell: locking is a noun, looking is a verb, so they fill different roles in a sentence.

Which to use

“locking” is a noun and “looking” is a verb - they look or sound alike but fill different roles in a sentence.

#10,231
“locking” frequency rank
#242
“looking” frequency rank
10473
confusion score

Side-by-Side Comparison

Feature locking looking
Definition gerund of lock: the act by which something is locked. present participle and gerund of look

Letter map: locking vs looking

Shared letters muted; letters that set locking and looking apart highlighted. Shared run: 6.

7 ch
locking
7 ch
looking

Role in the sentence - locking and looking

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: locking is anoun and lookingaverb. On the page they differ by a single letter - c in “locking” becomes o in “looking”. Our composite confusion score for this pair is 10473, derived from the frequency rank of both members and their visual similarity.

locking is recorded at frequency rank #10,231, classified as anoun. looking is at rank #242, tagged as averb, pronounced /ˈlʊkɪŋ/.

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 10473, this pair ranks #492,153 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of locking vs looking

Shared letters: giklno. Private to "locking": c. Private to "looking": -.

"locking" · 7 letters · shape CVCCVCC  ·  "looking" · 7 letters · shape CVVCVCC

Known mistypes of this pair

  • lockinglcoking · llocking · loccking · locikng · lockign · lockingg · lockinng · lockking
  • lookingllooking · loking · lokoing · looikng · lookign · lookingg · lookinng · lookking

Frequently Asked Questions

Is swapping "locking" for "looking" ever safe?
No - they are not even the same part of speech. "locking" is a noun and "looking" a verb, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "locking" or "looking" show up more?
"looking" is the more common of the two: it sits at frequency rank #242 in our English list, against #10,231 for "locking". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

Done with this confusable. These links stay specific to "locking" and "looking".

  • Full dictionary entry for "locking" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "looking" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #492,153 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "locking" and "looking" also get mixed up with nearby pairs, the highest-scored neighbour is "locking vs loring". 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 #492,153 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