aovsAokiWhich spelling fits?

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

Which to use

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

#17,538
“ao” frequency rank
#34,776
“Aoki” frequency rank
52314
confusion score

Side-by-Side Comparison

Feature ao Aoki
Definition grue ("blue or green", considered one color) A surname from Japanese.

Letter map: ao vs Aoki

Shared letters muted; letters that set ao and Aoki apart highlighted. Shared run: 2.

2 ch
ao
4 ch
Aoki

Grammar separator: ao vs Aoki

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: ao is anoun and Aokianame. On the page they differ by 2 extra letter(s) - “ao” sits inside “Aoki”. Our composite confusion score for this pair is 52314, derived from the frequency rank of both members and their visual similarity.

ao is recorded at frequency rank #17,538, classified as anoun. Aoki is at rank #34,776, tagged as aname, pronounced /eɪˈoʊki/.

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 52314, this pair ranks #158,142 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of ao vs Aoki

Shared letters: ao. Private to "ao": -. Private to "Aoki": ik.

"ao" · 2 letters · shape VV  ·  "Aoki" · 4 letters · shape VVCV

Known mistypes of this pair

  • Aokiakoi · aoik · aokki · oaki

Frequently Asked Questions

Can "ao" and "Aoki" be used interchangeably?
No - they are not even the same part of speech. "ao" is a noun and "Aoki" a name, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "ao" or "Aoki"?
"ao" is the more common of the two: it sits at frequency rank #17,538 in our English list, against #34,776 for "Aoki". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Pair "ao" vs "Aoki" is on the table, pick a follow-up below.

  • Full dictionary entry for "ao" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Aoki" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #158,142 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "ao" and "Aoki" also get mixed up with nearby pairs, the highest-scored neighbour is "ake vs Aoki". 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 #158,142 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