Which to use
“Kai” is a noun and “Kairo” is a name - they look or sound alike but fill different roles in a sentence.
- #5,859
- “Kai” frequency rank
- #11,074
- “Kairo” frequency rank
- 16933
- confusion score
Side-by-Side Comparison
| Feature | Kai | Kairo |
|---|---|---|
| Definition | befestigtes Ufer in einem Hafen als Schiffsanlegeplatz | die Hauptstadt Ägyptens |
Where the eye mixes Kai and Kairo
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.
Why the eye confuses Kai with Kairo
These two trip readers on the page rather than in the ear: Kai is [kaɪ̯] while Kairo is [ˈkaɪ̯ʁo]. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 extra letter(s) - “Kai” sits inside “Kairo”, and the parts of speech differ too (noun vs name), which is usually the fastest check. Our composite confusion score for this pair is 16933, 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]. Kairo is at rank #11,074, tagged as aname, pronounced [ˈkaɪ̯ʁo].
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 16933, this pair ranks #1,931,816 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of Kai vs Kairo
Shared letters: aik. Private to "Kai": -. Private to "Kairo": or.
"Kai" · 3 letters · shape CVV · "Kairo" · 5 letters · shape CVVCV
Known mistypes of this pair
- Kairo ← akiro · kaior · kairro · kario · kiaro · kkairo
Frequently Asked Questions
Is swapping "Kai" for "Kairo" ever safe?
In ordinary German text, does "Kai" or "Kairo" show up more?
After this comparison
Eye-level mix-up between "Kai" and "Kairo" 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 "Kairo" - compare definitions side by side with the headword page. Word entry
- This pair ranks #1,931,816 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
- "Kai" and "Kairo" also get mixed up with nearby pairs, the highest-scored neighbour is "Kai vs KGaA". 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 #1,931,816 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.