kappvsKaufWhich spelling fits?

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

Which to use

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

#38,221
“kapp” frequency rank
#1,668
“Kauf” frequency rank
39889
confusion score

Side-by-Side Comparison

Feature kapp Kauf
Definition 2. Person Singular Imperativ Präsens Aktiv des Verbs kappen der entgeltliche Erwerb einer Ware

Where the eye mixes kapp and Kauf

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

4 ch
kapp
4 ch
Kauf

Visual trap between kapp and Kauf

These two trip readers on the page rather than in the ear: kapp is [kap] while Kauf is [kaʊ̯f]. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 39889, derived from the frequency rank of both members and their visual similarity.

kapp is recorded at frequency rank #38,221, classified as averb, pronounced [kap]. Kauf is at rank #1,668, tagged as anoun, pronounced [kaʊ̯f].

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 39889, this pair ranks #1,524,022 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of kapp vs Kauf

Shared letters: ak. Private to "kapp": p. Private to "Kauf": fu.

"kapp" · 4 letters · shape CVCC  ·  "Kauf" · 4 letters · shape CVVC

Known mistypes of this pair

  • kappakpp · kap · kkapp · kpap
  • Kaufakuf · kafu · kauff · kkauf · kuaf

Frequently Asked Questions

Can "kapp" and "Kauf" be used interchangeably?
No - they are not even the same part of speech. "kapp" is a verb and "Kauf" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "kapp" or "Kauf"?
"Kauf" is the more common of the two: it sits at frequency rank #1,668 in our German list, against #38,221 for "kapp". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

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

  • Full dictionary entry for "kapp" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Kauf" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,524,022 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "kapp" and "Kauf" also get mixed up with nearby pairs, the highest-scored neighbour is "kapp vs kaut". 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 #1,524,022 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