KatovsKuoWhat's the difference?

Which to use

“Kato” and “Kuo” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#28,272
“Kato” frequency rank
#38,468
“Kuo” frequency rank
66740
confusion score

Side-by-Side Comparison

Feature Kato Kuo
Definition A surname from Japanese. A surname.

Letter map: Kato vs Kuo

Shared letters muted; letters that set Kato and Kuo apart highlighted. Shared run: 2. Kato runs 4 letters (CVCV) against Kuo's 3 (CVV) - the length gap alone is often enough to separate them once you know to check it.

4 ch
Kato
3 ch
Kuo

Corpus notes: Kato and Kuo

Kato and Kuo are indexed as a confusable English pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 66740, derived from the frequency rank of both members and their visual similarity.

Kato is recorded at frequency rank #28,272, classified as aname. Kuo is at rank #38,468, tagged as aname.

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 66740, this pair ranks #66,613 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of Kato vs Kuo

Shared letters: ko. Private to "Kato": at. Private to "Kuo": u.

"Kato" · 4 letters · shape CVCV  ·  "Kuo" · 3 letters · shape CVV

Known mistypes of this pair

  • Kato ← akto · kaot · katto · kkato · ktao

Frequently Asked Questions

Can "Kato" and "Kuo" be used interchangeably?
No. They differ by 1 letter(s) in length, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.
Which is more common, "Kato" or "Kuo"?
"Kato" is the more common of the two: it sits at frequency rank #28,272 in our English list, against #38,468 for "Kuo". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

You've compared "Kato" and "Kuo". Here's where to go from here.

  • Full dictionary entry for "Kato" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Kuo" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #66,613 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "Kato" and "Kuo" also get mixed up with nearby pairs, the highest-scored neighbour is "Kop vs Kuo". Nearby pair
  • Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #66,613 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list