Cauchy
/ˈkəʊ.ʃi/
"cauchy" is a 6-letter English headword indexed on PlainSpell.
The verdict
“Cauchy” is uncommon English (frequency #59,267 among 5,599 “C” headwords), classed as a proper noun. The kind of spelling people second-guess.
- #59,267
- frequency rank, English
- 5,599
- “C” headwords
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A French surname; notably that of prolific mathematician Augustin-Louis Cauchy (1789-1857).
Corpus desk
Index EN-cauchy · Cauchy · English
Cauchy · rank #59,267 · 0 variants · 0 confusables
- FREQ-RARE #59,267
- LEN-LONG 6 letters
- VOW-3 3 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-DENSE 5,599
- PHOTO-FINISH Catskills
Nearest frequency peer: Catskills (-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.
Long-tail ranks near “Cauchy”
Sparse band: bars invert rank so rarer forms read shorter
- carbonation
carbonation
40,737 corpus weight
- Catskills
Catskills
40,735 corpus weight
- Cauchy
Cauchy
40,734 corpus weight
- ceaselessly
ceaselessly
40,733 corpus weight
- Celina
Celina
40,732 corpus weight
- chafe
chafe
40,731 corpus weight
What this shows Long-tail view: where “Cauchy” sits against similarly uncommon English ranks.
| Property | Value |
|---|---|
| Headword | Cauchy |
| Language | English |
| Part of speech | Proper noun |
| IPA | /ˈkəʊ.ʃi/ |
| Letters | 6 |
| Frequency rank | #59,267 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “Cauchy” in English
Rare enough to double-check
Cauchy is uncommon English at frequency #59,267 among 5,599 “C” headwords, classed as aproper noun, transcribed /ˈkəʊ.ʃi/. Rarity is why readers land here mid-draft. Gloss: "A French surname; notably that of prolific mathematician Augustin-Louis Cauchy (1789-1857).".
No generated misspelling entries exist for Cauchy in our index, a sign its spelling follows regular English conventions. This headword has no recorded confusable partner, since no other headword is close enough in sound or shape to pair with it.
Etymologically, the entry records: Borrowed from French Cauchy. The correct English form is Cauchy, spelled C-A-U-C-H-Y.
Definition
- 1A French surname; notably that of prolific mathematician Augustin-Louis Cauchy (1789-1857).
Etymology
Borrowed from French Cauchy.
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.
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Similar English words by spelling shape
Same letter count and similar misspelling depth for "Cauchy", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 6 letters (nearest by frequency rank).