Kawaguchi
"kawaguchi" is a 9-letter English headword indexed on PlainSpell.
The verdict
“Kawaguchi” is uncommon English (frequency #98,308 among 9,255 “K” headwords), classed as a proper noun. The kind of spelling people second-guess.
- #98,308
- frequency rank, English
- 9,255
- “K” headwords
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A surname from Japanese.
Corpus desk
Index EN-kawaguchi · Kawaguchi · English
Kawaguchi · rank #98,308 · 0 variants · 0 confusables
- FREQ-RARE #98,308
- LEN-LONG 9 letters
- VOW-4 4 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-DENSE 9,255
- PHOTO-FINISH Kastner
Nearest frequency peer: Kastner (-1 rank slots)
Read with this headword: Spelling guide for this pattern
Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.
Frequency neighbourhood for “Kawaguchi”
Lower corpus rank = more everyday usage (inverted bar length for readability)
- Jungfrau
Jungfrau
1,700 corpus weight
- Kadesh
Kadesh
1,698 corpus weight
- Kahler
Kahler
1,696 corpus weight
- Kastner
Kastner
1,694 corpus weight
- Kawaguchi
Kawaguchi
1,693 corpus weight
- Kentuckian
Kentuckian
1,687 corpus weight
What this shows Bars show where “Kawaguchi” sits against the nearest ranked English headwords in the FrequencyWords band, not a reprint of letter-browse containment.
| Property | Value |
|---|---|
| Headword | Kawaguchi |
| Language | English |
| Part of speech | Proper noun |
| Letters | 9 |
| Frequency rank | #98,308 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “Kawaguchi” sits in English frequency
Rare enough to double-check
Kawaguchi is uncommon English at frequency #98,308 among 9,255 “K” headwords, classed as aproper noun. Rarity is why readers land here mid-draft. Gloss: "A surname from Japanese.".
Our edit-distance generator produced no likely misspellings for Kawaguchi, a sign its spelling follows regular English conventions. This headword has no recorded confusable partner, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.
Etymologically, the entry records: Borrowed from Japanese 川口 (Kawaguchi). The correct English form is Kawaguchi, spelled K-A-W-A-G-U-C-H-I.
Definition
- 1A surname from Japanese.
Etymology
Borrowed from Japanese 川口 (Kawaguchi).
Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 English corpus, MIT). See the methodology for how each field is sourced and updated.
PlainSpell is rendered directly from structured Wiktionary extracts and open word-frequency lists, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of May 6, 2026. Primary sources: Wiktionary (via kaikki.org) and FrequencyWords.
Frequently Asked Questions
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Similar English words by spelling shape
Same letter count and similar misspelling depth for "Kawaguchi", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 9 letters (nearest by frequency rank).
Data Source
Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.