KarteivsKaterConfusable pair

Which to use

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

#48,265
“Kartei” frequency rank
#7,347
“Kater” frequency rank
55612
confusion score

Side-by-Side Comparison

Feature Kartei Kater
Definition nach einem bestimmten Prinzip sortierte Sammlung von Daten auf Karten oder Blättern gleichen Formats männliche Katze

Where the eye mixes Kartei and Kater

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. Kartei runs 6 letters (CVCCVV) against Kater's 5 (CVCVC) - the length gap alone is often enough to separate them once you know to check it.

6 ch
Kartei
5 ch
Kater

Why the eye confuses Kartei with Kater

A purely visual mix-up. Kartei ([kaʁˈtaɪ̯]) and Kater ([ˈkaːtɐ]) 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 55612, derived from the frequency rank of both members and their visual similarity.

Kartei is recorded at frequency rank #48,265, classified as anoun, pronounced [kaʁˈtaɪ̯]. Kater is at rank #7,347, tagged as anoun, pronounced [ˈkaːtɐ].

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 55612, this pair ranks #972,868 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of Kartei vs Kater

Shared letters: aekrt. Private to "Kartei": i. Private to "Kater": -.

"Kartei" · 6 letters · shape CVCCVV  ·  "Kater" · 5 letters · shape CVCVC

Known mistypes of this pair

  • Kartei ← akrtei · kareti · karrtei · kartie · karttei · katrei · kkartei · kratei
  • Kater ← akter · kaetr · katerr · katter · kkater · ktaer

Frequently Asked Questions

Do "Kartei" and "Kater" mean the same thing in a sentence?
No. They are said differently ([kaʁˈtaɪ̯] versus [ˈkaːtɐ]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "Kartei" or "Kater"?
"Kater" is the more common of the two: it sits at frequency rank #7,347 in our German list, against #48,265 for "Kartei". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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

  • Full dictionary entry for "Kartei" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Kater" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #972,868 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "Kartei" and "Kater" also get mixed up with nearby pairs, the highest-scored neighbour is "karge vs Kartei". 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 #972,868 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