KaivsKathiConfusable pair

Quick tell: Kai is a noun, Kathi is a name, so they fill different roles in a sentence.

Which to use

“Kai” is a noun and “Kathi” is a name - they look or sound alike but fill different roles in a sentence.

#5,859
“Kai” frequency rank
#36,439
“Kathi” frequency rank
42298
confusion score

Side-by-Side Comparison

Feature Kai Kathi
Definition befestigtes Ufer in einem Hafen als Schiffsanlegeplatz weiblicher Vorname

Where the eye mixes Kai and Kathi

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

3 ch
Kai
5 ch
Kathi

Look-alike desk: Kai vs Kathi

These two trip readers on the page rather than in the ear: Kai is [kaɪ̯] while Kathi is [ˈkaːti]. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 letter(s) in length, and the parts of speech differ too (noun vs name), which is usually the fastest check. Our composite confusion score for this pair is 42298, derived from the frequency rank of both members and their visual similarity.

Kai is recorded at frequency rank #5,859, classified as anoun, pronounced [kaɪ̯]. Kathi is at rank #36,439, tagged as aname, pronounced [ˈkaːti].

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 42298, this pair ranks #1,453,721 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of Kai vs Kathi

Shared letters: aik. Private to "Kai": -. Private to "Kathi": ht.

"Kai" · 3 letters · shape CVV  ·  "Kathi" · 5 letters · shape CVCCV

Known mistypes of this pair

  • Kathiakthi · kahti · kathhi · katih · katthi · kkathi · ktahi

Frequently Asked Questions

Can "Kai" and "Kathi" be used interchangeably?
No - they are not even the same part of speech. "Kai" is a noun and "Kathi" a name, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "Kai" vs "Kathi" - which ranks higher?
"Kai" is the more common of the two: it sits at frequency rank #5,859 in our German list, against #36,439 for "Kathi". 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 "Kai" and "Kathi" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "Kai" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Kathi" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,453,721 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "Kai" and "Kathi" also get mixed up with nearby pairs, the highest-scored neighbour is "Kartei vs Kathi". 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 #1,453,721 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