leakingvslockingWhich spelling fits?

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

Which to use

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

#11,243
“leaking” frequency rank
#10,231
“locking” frequency rank
21474
confusion score

Side-by-Side Comparison

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

Letter map: leaking vs locking

Shared letters muted; letters that set leaking and locking apart highlighted. Shared run: 5.

7 ch
leaking
7 ch
locking

Part-of-speech tell for leaking / locking

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: leaking is averb and lockinganoun. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 21474, derived from the frequency rank of both members and their visual similarity.

leaking is recorded at frequency rank #11,243, classified as averb, pronounced /ˈliːkɪŋ/. locking is at rank #10,231, 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 21474, this pair ranks #423,634 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of leaking vs locking

Shared letters: gikln. Private to "leaking": ae. Private to "locking": co.

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

Known mistypes of this pair

  • leakingelaking · laeking · leaikng · leakign · leakingg · leakinng · leakking · leaknig
  • lockinglcoking · llocking · loccking · locikng · lockign · lockingg · lockinng · lockking

Frequently Asked Questions

Can "leaking" and "locking" be used interchangeably?
No - they are not even the same part of speech. "leaking" is a verb and "locking" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "leaking" vs "locking" - which ranks higher?
"locking" is the more common of the two: it sits at frequency rank #10,231 in our English list, against #11,243 for "leaking". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

You've compared "leaking" and "locking". Here's where to go from here.

  • Full dictionary entry for "leaking" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "locking" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #423,634 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "leaking" and "locking" 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 #423,634 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