Which to use
“Kai” and “Koi” are a confusable German pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #5,859
- “Kai” frequency rank
- #46,782
- “Koi” frequency rank
- 52641
- confusion score
Side-by-Side Comparison
| Feature | Kai | Koi |
|---|---|---|
| Definition | befestigtes Ufer in einem Hafen als Schiffsanlegeplatz | japanische Zuchtform des Karpfens |
Where the eye mixes Kai and Koi
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Why the eye confuses Kai with Koi
A purely visual mix-up. Kai ([kaɪ̯]) and Koi ([kɔɪ̯]) 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 a single letter - a in “Kai” becomes o in “Koi”. Our composite confusion score for this pair is 52641, 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]. Koi is at rank #46,782, tagged as anoun, pronounced [kɔɪ̯].
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 52641, this pair ranks #1,088,958 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of Kai vs Koi
Shared letters: ik. Private to "Kai": a. Private to "Koi": o.
"Kai" · 3 letters · shape CVV · "Koi" · 3 letters · shape CVV
Frequently Asked Questions
Can "Kai" and "Koi" be used interchangeably?
In ordinary German text, does "Kai" or "Koi" show up more?
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 "Kai" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "Koi" - compare definitions side by side with the headword page. Word entry
- This pair ranks #1,088,958 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
- "Kai" and "Koi" also get mixed up with nearby pairs, the highest-scored neighbour is "Koi vs kola". Nearby pair
Confusion rank #1,088,958 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.