cortisone
/ˈkɔː.tɪ.zəʊn/
"cortisone" is a 9-letter English headword indexed on PlainSpell.
The verdict
“cortisone” is uncommon English (frequency #50,442 among 5,599 “C” headwords), classed as a noun. The kind of spelling people second-guess.
- #50,442
- frequency rank, English
- 5,599
- “C” headwords
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A corticosteroid hormone, closely related to corticosterone, produced by the adrenal cortex. One of the glucocorticoids, it is also made synthetically for use as an anti-inflammatory and antiallerg...
Corpus desk
Index EN-cortisone · cortisone · English
cortisone · rank #50,442 · 0 variants · 0 confusables
- FREQ-RARE #50,442
- LEN-LONG 9 letters
- VOW-4 4 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-DENSE 5,599
- PHOTO-FINISH coun
Nearest frequency peer: coun (+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 “cortisone”
Sparse band: bars invert rank so rarer forms read shorter
- copulation
copulation
49,563 corpus weight
- coq
coq
49,562 corpus weight
- coronet
coronet
49,561 corpus weight
- cortisone
cortisone
49,559 corpus weight
- coun
coun
49,558 corpus weight
- craggy
craggy
49,555 corpus weight
What this shows Long-tail view: where “cortisone” sits against similarly uncommon English ranks.
| Property | Value |
|---|---|
| Headword | cortisone |
| Language | English |
| Part of speech | Noun |
| IPA | /ˈkɔː.tɪ.zəʊn/ |
| Letters | 9 |
| Frequency rank | #50,442 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “cortisone” in English
Rare enough to double-check
cortisone is uncommon English at frequency #50,442 among 5,599 “C” headwords, classed as anoun, transcribed /ˈkɔː.tɪ.zəʊn/. Rarity is why readers land here mid-draft. Gloss: "A corticosteroid hormone, closely related to corticosterone, produced by the adrenal cortex. One of the glucocorticoids, it is also made synthetically for use as an anti-inflammatory and antiallerg...".
We couldn't generate a plausible misspelling set for cortisone, suggesting the orthography follows predictable English patterns. No close-neighbour confusable shows up for this headword in our dataset, which typically means the spelling is too distinctive to be mistaken for another word.
Etymologically, the entry records: Shortening of corticosterone. The correct English form is cortisone, spelled C-O-R-T-I-S-O-N-E.
Definition
- 1A corticosteroid hormone, closely related to corticosterone, produced by the adrenal cortex. One of the glucocorticoids, it is also made synthetically for use as an anti-inflammatory and antiallergy agent. 17-hydroxy-11-dehydrocorticosterone, with formula C₂₁H₂₈O₅.
Etymology
Shortening of corticosterone.
This word in other languages
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.
Frequently Asked Questions
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Similar English words by spelling shape
Same letter count and similar misspelling depth for "cortisone", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 9 letters (nearest by frequency rank).