Which to use
“ka” and “ko” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #9,201
- “ka” frequency rank
- #10,717
- “ko” frequency rank
- 19918
- confusion score
Side-by-Side Comparison
| Feature | ka | ko |
|---|---|---|
| Definition | A spiritual part of the soul in Egyptian mythology, which survived after death. | A local shape to which the ko rule applies; a ko shape. |
Where the eye mixes ka and ko
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.
Visual trap between ka and ko
A purely visual mix-up. ka (/kɑː/) and ko (/ˈkəʊ/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by a single letter - a in “ka” becomes o in “ko”. Our composite confusion score for this pair is 19918, derived from the frequency rank of both members and their visual similarity.
ka is recorded at frequency rank #9,201, classified as anoun, pronounced /kɑː/. ko is at rank #10,717, tagged as anoun, pronounced /ˈkəʊ/.
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 19918, this pair ranks #434,785 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of ka vs ko
Shared letters: k. Private to "ka": a. Private to "ko": o.
"ka" · 2 letters · shape CV · "ko" · 2 letters · shape CV
Frequently Asked Questions
Is swapping "ka" for "ko" ever safe?
Frequency check: "ka" vs "ko" - which ranks higher?
Useful next steps
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "ka" 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 #434,785 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "ka" and "ko" also get mixed up with nearby pairs, the highest-scored neighbour is "ko vs Kop". Nearby pair
Confusion rank #434,785 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.