katvskoWhat's the difference?

Which to use

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

#15,371
“kat” frequency rank
#14,398
“ko” frequency rank
29769
confusion score

Side-by-Side Comparison

Feature kat ko
Definition gato (Felis sylvestris catus): nome dos kana こ e コ

Where the eye mixes kat and ko

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

3 ch
kat
2 ch
ko

Why the eye confuses kat with ko

A purely visual mix-up. kat (/ˈkɐt/) 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 1 letter(s) in length. Our composite confusion score for this pair is 29769, derived from the frequency rank of both members and their visual similarity.

kat is recorded at frequency rank #15,371, classified as anoun, pronounced /ˈkɐt/. 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 29769, this pair ranks #38,803 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of kat vs ko

Shared letters: k. Private to "kat": at. Private to "ko": o.

"kat" · 3 letters · shape CVC  ·  "ko" · 2 letters · shape CV

Frequently Asked Questions

Can "kat" and "ko" be used interchangeably?
No. They are said differently (/ˈkɐt/ versus /ˈko/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "kat" or "ko"?
"ko" is the more common of the two: it sits at frequency rank #14,398 in our Portuguese list, against #15,371 for "kat". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "kat" 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 #38,803 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "kat" and "ko" also get mixed up with nearby pairs, the highest-scored neighbour is "kari vs kat". Nearby pair

Confusion rank #38,803 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list