Which to use
“kein” is a pronoun and “Koi” is a noun - they look or sound alike but fill different roles in a sentence.
- #119
- “kein” frequency rank
- #46,782
- “Koi” frequency rank
- 46901
- confusion score
Side-by-Side Comparison
| Feature | kein | Koi |
|---|---|---|
| Definition | null, nichts, Null | japanische Zuchtform des Karpfens |
Where the spellings diverge
Shared letters are muted; the letters that actually set kein and Koi apart are highlighted. They share 2 letters in sequence, which is exactly why the eye skips the difference.
Spelling & Dictionary Insight
These two trip readers on the page rather than in the ear: kein is [kaɪ̯n] while Koi is [kɔɪ̯]. 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 (pronoun vs noun), which is usually the fastest check. Our composite confusion score for this pair is 46901, derived from the frequency rank of both members and their visual similarity.
kein is recorded at frequency rank #119, classified as apron, pronounced [kaɪ̯n]. 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 46901, this pair ranks #1,303,091 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of kein vs Koi
Shared letters: ik. Private to "kein": en. Private to "Koi": o.
"kein" · 4 letters · shape CVVC · "Koi" · 3 letters · shape CVV
Known mistypes of this pair
- kein ← ekin · keinn · keni · kien · kkein
Frequency comparison
Frequently Asked Questions
Can "kein" and "Koi" be used interchangeably?
Which is more common, "kein" or "Koi"?
Remembering kein vs Koi
The fastest way to pick the right one every time.
- Check the role first: if you need a pronoun, it's “kein”; for a noun, it's “Koi”.
- See each word in full, definition, IPA, etymology and its other confusables. Full “kein” entry
- Browse more pairs most likely to be confused. Most confusable