Oishi
"oishi" is a 5-letter English headword indexed on PlainSpell.
The verdict
“Oishi” is uncommon English (frequency #88,673 among 15,494 “O” headwords), classed as a proper noun. The kind of spelling people second-guess.
- #88,673
- frequency rank, English
- 15,494
- “O” headwords
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A surname from Japanese.
Corpus desk
Index EN-oishi · Oishi · English
Oishi · rank #88,673 · 0 variants · 0 confusables
- FREQ-RARE #88,673
- LEN-MID 5 letters
- VOW-3 3 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-DENSE 15,494
- PHOTO-FINISH oldtown
Nearest frequency peer: oldtown (+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 “Oishi”
Lower corpus rank = more everyday usage (inverted bar length for readability)
- occultation
occultation
11,331 corpus weight
- Oishi
Oishi
11,328 corpus weight
- oldtown
oldtown
11,327 corpus weight
- omnichannel
omnichannel
11,326 corpus weight
- opportunist…
opportunistically
11,324 corpus weight
- overplay
overplay
11,322 corpus weight
What this shows Bars show where “Oishi” sits against the nearest ranked English headwords in the FrequencyWords band, not a reprint of letter-browse containment.
| Property | Value |
|---|---|
| Headword | Oishi |
| Language | English |
| Part of speech | Proper noun |
| Letters | 5 |
| Frequency rank | #88,673 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “Oishi” sits in English frequency
Rare enough to double-check
Oishi is uncommon English at frequency #88,673 among 15,494 “O” headwords, classed as aproper noun. Rarity is why readers land here mid-draft. Gloss: "A surname from Japanese.".
Oishi doesn't appear in our generated misspelling index, and the word's spelling is regular enough that our generator found nothing worth flagging. It is not paired with a close-neighbour confusable in our dataset, which tends to mean the word is visually distinctive enough to stand on its own.
Etymologically, the entry records: Borrowed from Japanese 大石 (Ōishi). The correct English form is Oishi, spelled O-I-S-H-I.
Definition
- 1A surname from Japanese.
Etymology
Borrowed from Japanese 大石 (Ōishi).
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 "Oishi", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 5 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.