kackvskauWhat's the difference?

Which to use

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

#22,032
“kack” frequency rank
#41,934
“kau” frequency rank
63966
confusion score

Side-by-Side Comparison

Feature kack kau
Definition 2. Person Singular Imperativ Präsens Aktiv des Verbs kacken 2. Person Singular Imperativ Präsens Aktiv des Verbs kauen

Where the eye mixes kack and kau

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

4 ch
kack
3 ch
kau

Visual trap between kack and kau

A purely visual mix-up. kack ([kak]) and kau ([kaʊ̯]) 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 63966, derived from the frequency rank of both members and their visual similarity.

kack is recorded at frequency rank #22,032, classified as averb, pronounced [kak]. kau is at rank #41,934, tagged as averb, pronounced [kaʊ̯].

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 63966, this pair ranks #658,065 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of kack vs kau

Shared letters: ak. Private to "kack": c. Private to "kau": u.

"kack" · 4 letters · shape CVCC  ·  "kau" · 3 letters · shape CVV

Known mistypes of this pair

  • kackakck · kacck · kackk · kakc · kcak · kkack

Frequently Asked Questions

Can "kack" and "kau" be used interchangeably?
No. They are said differently ([kak] versus [kaʊ̯]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary German text, does "kack" or "kau" show up more?
"kack" is the more common of the two: it sits at frequency rank #22,032 in our German list, against #41,934 for "kau". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "kack" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "kau" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #658,065 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "kack" and "kau" also get mixed up with nearby pairs, the highest-scored neighbour is "kau vs KGaA". 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 #658,065 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