kaufenvsKäufersTell them apart

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

Which to use

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

#635
“kaufen” frequency rank
#45,408
“Käufers” frequency rank
46043
confusion score

Side-by-Side Comparison

Feature kaufen Käufers
Definition Ware gegen Entgelt erwerben Genitiv Singular des Substantivs Käufer

Where the eye mixes kaufen and Käufers

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. kaufen runs 6 letters (CVVCVC) against Käufers's 7 (CVVCVCC) - the length gap alone is often enough to separate them once you know to check it.

6 ch
kaufen
7 ch
Käufers

Look-alike desk: kaufen vs Käufers

These two trip readers on the page rather than in the ear: kaufen is [ˈkaʊ̯fn̩] while Käufers is [ˈkɔɪ̯fɐs]. 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 (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 46043, derived from the frequency rank of both members and their visual similarity.

kaufen is recorded at frequency rank #635, classified as averb, pronounced [ˈkaʊ̯fn̩]. Käufers is at rank #45,408, tagged as anoun, pronounced [ˈkɔɪ̯fɐs].

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 46043, this pair ranks #1,332,492 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of kaufen vs Käufers

Shared letters: efku. Private to "kaufen": an. Private to "Käufers": rsä.

"kaufen" · 6 letters · shape CVVCVC  ·  "Käufers" · 7 letters · shape CVVCVCC

Known mistypes of this pair

  • kaufen ← akufen · kafuen · kauefn · kaufenn · kauffen · kaufne · kkaufen · kuafen

Frequently Asked Questions

Is swapping "kaufen" for "Käufers" ever safe?
No - they are not even the same part of speech. "kaufen" is a verb and "Käufers" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary German text, does "kaufen" or "Käufers" show up more?
"kaufen" is the more common of the two: it sits at frequency rank #635 in our German list, against #45,408 for "Käufers". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

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

  • Full dictionary entry for "kaufen" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Käufers" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,332,492 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "kaufen" and "Käufers" also get mixed up with nearby pairs, the highest-scored neighbour is "Kaffees vs Käufers". 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 #1,332,492 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