Which to use
“Keiko” is a name and “koko” is a noun - they look or sound alike but fill different roles in a sentence.
- #46,567
- “Keiko” frequency rank
- #34,561
- “koko” frequency rank
- 81128
- confusion score
Side-by-Side Comparison
| Feature | Keiko | koko |
|---|---|---|
| Definition | A female given name from Japanese. | The tree Albizia lebbeck. |
Letter map: Keiko vs koko
Shared letters muted; letters that set Keiko and koko apart highlighted. Shared run: 3. Keiko runs 5 letters (CVVCV) against koko's 4 (CVCV) - the length gap alone is often enough to separate them once you know to check it.
Part-of-speech tell for Keiko / koko
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: Keiko is aname and kokoanoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 81128, derived from the frequency rank of both members and their visual similarity.
Keiko is recorded at frequency rank #46,567, classified as aname. koko is at rank #34,561, tagged as anoun.
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 81128, this pair ranks #18,338 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of Keiko vs koko
Shared letters: ko. Private to "Keiko": ei. Private to "koko": -.
"Keiko" · 5 letters · shape CVVCV · "koko" · 4 letters · shape CVCV
Known mistypes of this pair
Frequently Asked Questions
Can "Keiko" and "koko" be used interchangeably?
Frequency check: "Keiko" vs "koko" - which ranks higher?
Useful next steps
Pair "Keiko" vs "koko" is on the table, pick a follow-up below.
- Full dictionary entry for "Keiko" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "koko" - compare definitions side by side with the headword page. Word entry
- This pair ranks #18,338 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "Keiko" and "koko" also get mixed up with nearby pairs, the highest-scored neighbour is "Keiko vs Kyoko". 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 #18,338 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.