Which to use
“k” is a character and “kai” is a noun - they look or sound alike but fill different roles in a sentence.
- #1,381
- “k” frequency rank
- #15,404
- “kai” frequency rank
- 16785
- confusion score
Side-by-Side Comparison
| Feature | k | kai |
|---|---|---|
| Definition | Undécima letra del alfabeto español y octava consonante. Su nombre es ka. | Puerto [de mar] |
Where the eye mixes k and kai
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.
Why the eye confuses k with kai
These two trip readers on the page rather than in the ear: k is [ˈka] while kai is /kaj/. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 extra letter(s) - “k” sits inside “kai”, and the parts of speech differ too (character vs noun), which is usually the fastest check. Our composite confusion score for this pair is 16785, derived from the frequency rank of both members and their visual similarity.
k is recorded at frequency rank #1,381, classified as acharacter, pronounced [ˈka]. kai is at rank #15,404, tagged as anoun, pronounced /kaj/.
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 16785, this pair ranks #274,774 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of k vs kai
Shared letters: k. Private to "k": -. Private to "kai": ai.
"k" · 1 letters · shape C · "kai" · 3 letters · shape CVV
Frequently Asked Questions
Can "k" and "kai" be used interchangeably?
Which is more common, "k" or "kai"?
Useful next steps
Eye-level mix-up between "k" and "kai" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "k" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "kai" - compare definitions side by side with the headword page. Word entry
- This pair ranks #274,774 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "k" and "kai" also get mixed up with nearby pairs, the highest-scored neighbour is "kai vs Kano". Nearby pair
Confusion rank #274,774 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.