Ishihara
"ishihara" is a 8-letter English headword indexed on PlainSpell.
The verdict
“Ishihara” is uncommon English (frequency #74,203 among 17,902 “I” headwords), classed as a proper noun. The kind of spelling people second-guess.
- #74,203
- frequency rank, English
- 17,902
- “I” headwords
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A surname from Japanese.
Corpus desk
Index EN-ishihara · Ishihara · English
Ishihara · rank #74,203 · 0 variants · 0 confusables
- FREQ-RARE #74,203
- LEN-LONG 8 letters
- VOW-4 4 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-DENSE 17,902
- PHOTO-FINISH isosceles
Nearest frequency peer: isosceles (+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 “Ishihara”
Lower corpus rank = more everyday usage (inverted bar length for readability)
- interregnum
interregnum
25,803 corpus weight
- intimation
intimation
25,802 corpus weight
- inured
inured
25,800 corpus weight
- Ishihara
Ishihara
25,798 corpus weight
- isosceles
isosceles
25,797 corpus weight
- ITP
ITP
25,796 corpus weight
What this shows Bars show where “Ishihara” sits against the nearest ranked English headwords in the FrequencyWords band, not a reprint of letter-browse containment.
| Property | Value |
|---|---|
| Headword | Ishihara |
| Language | English |
| Part of speech | Proper noun |
| Letters | 8 |
| Frequency rank | #74,203 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “Ishihara” sits in English frequency
Rare enough to double-check
Ishihara is uncommon English at frequency #74,203 among 17,902 “I” headwords, classed as aproper noun. Rarity is why readers land here mid-draft. Gloss: "A surname from Japanese.".
Ishihara has no tracked misspelling variants, a straightforward case of a spelling with little room for common typos. We don't track a confusable pairing for this entry, which typically means the spelling is too distinctive to be mistaken for another word.
Etymologically, the entry records: Borrowed from Japanese 石原 (Ishihara). The correct English form is Ishihara, spelled I-S-H-I-H-A-R-A.
Definition
- 1A surname from Japanese.
Etymology
Borrowed from Japanese 石原 (Ishihara).
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 "Ishihara", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 8 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.