kilovsKuoWhat's the difference?

Quick tell: kilo is a noun, Kuo is a name, so they fill different roles in a sentence.

Which to use

“kilo” is a noun and “Kuo” is a name - they look or sound alike but fill different roles in a sentence.

#24,489
“kilo” frequency rank
#38,468
“Kuo” frequency rank
62957
confusion score

Side-by-Side Comparison

Feature kilo Kuo
Definition Clipping of kilogram. A surname.

Letter map: kilo vs Kuo

Shared letters muted; letters that set kilo and Kuo apart highlighted. Shared run: 2. kilo 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
kilo
3 ch
Kuo

Grammar separator: kilo vs Kuo

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: kilo is anoun and Kuoaname. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 62957, derived from the frequency rank of both members and their visual similarity.

kilo is recorded at frequency rank #24,489, classified as anoun, pronounced /ˈkiːləʊ/. 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 62957, this pair ranks #85,617 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of kilo vs Kuo

Shared letters: ko. Private to "kilo": il. Private to "Kuo": u.

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

Known mistypes of this pair

  • kilo ← iklo · killo · kiol · kkilo · klio

Frequently Asked Questions

Do "kilo" and "Kuo" mean the same thing in a sentence?
No - they are not even the same part of speech. "kilo" is a noun and "Kuo" a name, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "kilo" or "Kuo"?
"kilo" is the more common of the two: it sits at frequency rank #24,489 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

Done with this confusable. These links stay specific to "kilo" and "Kuo".

  • Full dictionary entry for "kilo" 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 #85,617 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "kilo" 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 #85,617 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