Which to use
“k” is a character and “ku” is a pronoun - they look or sound alike but fill different roles in a sentence.
- #1,381
- “k” frequency rank
- #29,714
- “ku” frequency rank
- 31095
- confusion score
Side-by-Side Comparison
| Feature | k | ku |
|---|---|---|
| Definition | Undécima letra del alfabeto español y octava consonante. Su nombre es ka. | Ese, esa. Pronombre y adjetivo demostrativo usado para una entidad ausente. |
Where the eye mixes k and ku
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.
Visual trap between k and ku
These two trip readers on the page rather than in the ear: k is [ˈka] while ku is [ˈku]. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 extra letter(s) - “k” sits inside “ku”, and the parts of speech differ too (character vs pronoun), which is usually the fastest check. Our composite confusion score for this pair is 31095, 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]. ku is at rank #29,714, tagged as apron, pronounced [ˈku].
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 31095, this pair ranks #208,817 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of k vs ku
Shared letters: k. Private to "k": -. Private to "ku": u.
"k" · 1 letters · shape C · "ku" · 2 letters · shape CV
Frequently Asked Questions
Can "k" and "ku" be used interchangeably?
In ordinary Spanish text, does "k" or "ku" show up more?
After this comparison
Eye-level mix-up between "k" and "ku" 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 "ku" - compare definitions side by side with the headword page. Word entry
- This pair ranks #208,817 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "k" and "ku" also get mixed up with nearby pairs, the highest-scored neighbour is "kar vs ku". Nearby pair
Confusion rank #208,817 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.