corticosteroid
/ˈkʰoɹɾɪko.steːɹoid/
"corticosteroid" is a 14-letter English headword indexed on PlainSpell.
The verdict
“corticosteroid” is uncommon English (frequency #57,957 among 43,570 “C” headwords), classed as a noun. The kind of spelling people second-guess.
- #57,957
- frequency rank, English
- 43,570
- “C” headwords
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Any of a group of steroid hormones, secreted by the adrenal cortex, that are involved in a large range of physiological systems.
| Property | Value |
|---|---|
| Headword | corticosteroid |
| Language | English |
| Part of speech | Noun |
| IPA | /ˈkʰoɹɾɪko.steːɹoid/ |
| Letters | 14 |
| Frequency rank | #57,957 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “corticosteroid” sits in English frequency
Rare enough to double-check
corticosteroid is uncommon English at frequency #57,957 among 43,570 “C” headwords, classed as anoun, transcribed /ˈkʰoɹɾɪko.steːɹoid/. Rarity is why readers land here mid-draft. 2 senses are on record.
No misspelling variants are generated for corticosteroid in our index, and the word's spelling is regular enough that our generator found nothing worth flagging. No close-neighbour confusable shows up for this headword in our dataset, since its spelling is unusual enough that it doesn't cluster with a lookalike.
Etymologically, the entry records: From cortico- + steroid. The correct English form is corticosteroid, spelled C-O-R-T-I-C-O-S-T-E-R-O-I-D.
Definition
- 1Any of a group of steroid hormones, secreted by the adrenal cortex, that are involved in a large range of physiological systems.
- 2Any of several synthetic hormones of related structure.
Etymology
From cortico- + steroid.
Synonyms
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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Using “corticosteroid”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is C-O-R-T-I-C-O-S-T-E-R-O-I-D - every other letter order is a misspelling in standard orthography.
- Say it as /ˈkʰoɹɾɪko.steːɹoid/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
- Browse more English words and confusable pairs in the same reference. English words
Other uncommon English words near this 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.