kvskoTell them apart

Quick tell: k is a character, ko is a pronoun, so they fill different roles in a sentence.

Which to use

“k” is a character and “ko” is a pronoun - they look or sound alike but fill different roles in a sentence.

#1,381
“k” frequency rank
#15,405
“ko” frequency rank
16786
confusion score

Side-by-Side Comparison

Feature k ko
Definition Undécima letra del alfabeto español y octava consonante. Su nombre es ka. Este, esta. Pronombre y adjetivo demostrativo usado para una entidad presente.

Where the eye mixes k and ko

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

1 ch
k
2 ch
ko

Look-alike desk: k vs ko

These two trip readers on the page rather than in the ear: k is [ˈka] while ko is /ˈko/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 extra letter(s) - “k” sits inside “ko”, and the parts of speech differ too (character vs pronoun), which is usually the fastest check. Our composite confusion score for this pair is 16786, 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]. ko is at rank #15,405, tagged as apron, pronounced /ˈko/.

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 16786, this pair ranks #274,766 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of k vs ko

Shared letters: k. Private to "k": -. Private to "ko": o.

"k" · 1 letters · shape C  ·  "ko" · 2 letters · shape CV

Frequently Asked Questions

Do "k" and "ko" mean the same thing in a sentence?
No - they are not even the same part of speech. "k" is a character and "ko" a pronoun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "k" vs "ko" - which ranks higher?
"k" is the more common of the two: it sits at frequency rank #1,381 in our Spanish list, against #15,405 for "ko". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

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 "k" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "ko" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #274,766 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "k" and "ko" also get mixed up with nearby pairs, the highest-scored neighbour is "coo vs ko". Nearby pair

Confusion rank #274,766 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list