kacvskaumTell them apart

Quick tell: kac is a noun, kaum is an adverb, so they fill different roles in a sentence.

Which to use

“kac” is a noun and “kaum” is an adverb - they look or sound alike but fill different roles in a sentence.

#43,278
“kac” frequency rank
#379
“kaum” frequency rank
43657
confusion score

Side-by-Side Comparison

Feature kac kaum
Definition körperliches Unwoholsein nach übermäßigem Alkoholkonsum; Kater, Katzenjammer, Katerstimmung, Hangover, Hang-over nur zu einem sehr geringen Grad; so gut wie gar nicht

Where the eye mixes kac and kaum

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. kac runs 3 letters (CVC) against kaum's 4 (CVVC) - the length gap alone is often enough to separate them once you know to check it.

3 ch
kac
4 ch
kaum

Visual trap between kac and kaum

These two trip readers on the page rather than in the ear: kac is [kat͡s] while kaum is [kaʊ̯m]. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (noun vs adverb), which is usually the fastest check. Our composite confusion score for this pair is 43657, derived from the frequency rank of both members and their visual similarity.

kac is recorded at frequency rank #43,278, classified as anoun, pronounced [kat͡s]. kaum is at rank #379, tagged as anadv, pronounced [kaʊ̯m].

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 43657, this pair ranks #1,411,074 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of kac vs kaum

Shared letters: ak. Private to "kac": c. Private to "kaum": mu.

"kac" · 3 letters · shape CVC  ·  "kaum" · 4 letters · shape CVVC

Known mistypes of this pair

  • kaum ← akum · kamu · kaumm · kkaum · kuam

Frequently Asked Questions

Is swapping "kac" for "kaum" ever safe?
No - they are not even the same part of speech. "kac" is a noun and "kaum" an adverb, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "kac" vs "kaum" - which ranks higher?
"kaum" is the more common of the two: it sits at frequency rank #379 in our German list, against #43,278 for "kac". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "kac" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "kaum" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,411,074 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "kac" and "kaum" also get mixed up with nearby pairs, the highest-scored neighbour is "kac 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 #1,411,074 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