lackvsleakConfusable pair

Which to use

“lack” and “leak” are a confusable German pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#12,118
“lack” frequency rank
#38,874
“leak” frequency rank
50992
confusion score

Side-by-Side Comparison

Feature lack leak
Definition 2. Person Singular Imperativ Präsens Aktiv des Verbs lacken 2. Person Singular Imperativ Präsens Aktiv des Verbs leaken

Where the eye mixes lack and leak

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

4 ch
lack
4 ch
leak

Look-alike desk: lack vs leak

A purely visual mix-up. lack ([lak]) and leak ([liːk]) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 50992, derived from the frequency rank of both members and their visual similarity.

lack is recorded at frequency rank #12,118, classified as averb, pronounced [lak]. leak is at rank #38,874, tagged as averb, pronounced [liːk].

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 50992, this pair ranks #1,152,624 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of lack vs leak

Shared letters: akl. Private to "lack": c. Private to "leak": e.

"lack" · 4 letters · shape CVCC  ·  "leak" · 4 letters · shape CVVC

Known mistypes of this pair

  • lackalck · lacck · lackk · lakc · lcak · llack
  • leakelak · leakk · leka · lleak

Frequently Asked Questions

Can "lack" and "leak" be used interchangeably?
No. They are said differently ([lak] versus [liːk]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "lack" or "leak"?
"lack" is the more common of the two: it sits at frequency rank #12,118 in our German list, against #38,874 for "leak". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

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

  • Full dictionary entry for "lack" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "leak" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,152,624 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "lack" and "leak" also get mixed up with nearby pairs, the highest-scored neighbour is "leak vs Lees". 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 #1,152,624 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list