kackvsknacktTell them apart

Which to use

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

#22,032
“kack” frequency rank
#31,129
“knackt” frequency rank
53161
confusion score

Side-by-Side Comparison

Feature kack knackt
Definition 2. Person Singular Imperativ Präsens Aktiv des Verbs kacken 2. Person Plural Imperativ Präsens Aktiv des Verbs knacken

Where the eye mixes kack and knackt

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.

4 ch
kack
6 ch
knackt

Look-alike desk: kack vs knackt

A purely visual mix-up. kack ([kak]) and knackt ([knakt]) 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 2 letter(s) in length. Our composite confusion score for this pair is 53161, 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]. knackt is at rank #31,129, tagged as averb, pronounced [knakt].

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 53161, this pair ranks #1,068,828 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of kack vs knackt

Shared letters: ack. Private to "kack": -. Private to "knackt": nt.

"kack" · 4 letters · shape CVCC  ·  "knackt" · 6 letters · shape CCVCCC

Known mistypes of this pair

  • kackakck · kacck · kackk · kakc · kcak · kkack
  • knacktkanckt · kknackt · knacckt · knackkt · knacktt · knactk · knakct · kncakt

Frequently Asked Questions

Is swapping "kack" for "knackt" ever safe?
No. They are said differently ([kak] versus [knakt]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary German text, does "kack" or "knackt" show up more?
"kack" is the more common of the two: it sits at frequency rank #22,032 in our German list, against #31,129 for "knackt". 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 "kack" and "knackt" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "kack" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "knackt" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,068,828 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "kack" and "knackt" also get mixed up with nearby pairs, the highest-scored neighbour is "knackt vs Knicks". 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 #1,068,828 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