ki vs ko, What's the Difference?

Which to use

“ki” and “ko” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#10,029
“ki” frequency rank: #14,398
“ko” frequency rank: 24427
confusion score

Side-by-Side Comparison

Feature	ki	ko
Definition	cão (mamífero domesticado - Canis lupus familiaris)	nome dos kana こ e コ

Where the eye mixes ki and ko

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

2 ch

Look-alike desk: ki vs ko

A purely visual mix-up. ki (/ˈkiː/) and ko (/ˈko/) 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 - i in “ki” becomes o in “ko”. Our composite confusion score for this pair is 24427, derived from the frequency rank of both members and their visual similarity.

ki is recorded at frequency rank #10,029, classified as anoun, pronounced /ˈkiː/. ko is at rank #14,398, tagged as anoun, 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 24427, this pair ranks #45,198 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of ki vs ko

Shared letters: k. Private to "ki": i. Private to "ko": o.

"ki" · 2 letters · shape CV · "ko" · 2 letters · shape CV

Frequently Asked Questions

Can "ki" and "ko" be used interchangeably?

No. They are said differently (/ˈkiː/ versus /ˈko/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.

Frequency check: "ki" vs "ko" - which ranks higher?

"ki" is the more common of the two: it sits at frequency rank #10,029 in our Portuguese list, against #14,398 for "ko". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Eye-level mix-up between "ki" and "ko" is sorted above. Next: full entries or other pairs that share a letter shape.

Full dictionary entry for "ki" 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 #45,198 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
"ki" and "ko" also get mixed up with nearby pairs, the highest-scored neighbour is "kari vs ki". Nearby pair

Confusion rank #45,198 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.