ka vs ki, What's the Difference?

Which to use

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

#11,901
“ka” frequency rank: #10,029
“ki” frequency rank: 21930
confusion score

Side-by-Side Comparison

Feature	ka	ki
Definition	nome dos kana か e カ	cão (mamífero domesticado - Canis lupus familiaris)

Where the eye mixes ka and ki

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

2 ch

Visual trap between ka and ki

A purely visual mix-up. ka (/ˈka/) and ki (/ˈkiː/) 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 i in “ki”. Our composite confusion score for this pair is 21930, derived from the frequency rank of both members and their visual similarity.

ka is recorded at frequency rank #11,901, classified as anoun, pronounced /ˈka/. ki is at rank #10,029, tagged as anoun, pronounced /ˈkiː/.

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 21930, this pair ranks #48,220 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of ka vs ki

Shared letters: k. Private to "ka": a. Private to "ki": i.

"ka" · 2 letters · shape CV · "ki" · 2 letters · shape CV

Frequently Asked Questions

Is swapping "ka" for "ki" ever safe?

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

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

"ki" is the more common of the two: it sits at frequency rank #10,029 in our Portuguese list, against #11,901 for "ka". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

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

Full dictionary entry for "ka" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "ki" - compare definitions side by side with the headword page. Word entry
This pair ranks #48,220 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
"ka" and "ki" also get mixed up with nearby pairs, the highest-scored neighbour is "ka vs kari". Nearby pair

Confusion rank #48,220 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.