clozapine
/ˈkləʊ.zə.piːn/
"clozapine" is a 9-letter English headword indexed on PlainSpell.
The verdict
“clozapine” is uncommon English (frequency #95,833 among 5,599 “C” headwords), classed as a noun. The kind of spelling people second-guess.
- #95,833
- frequency rank, English
- 5,599
- “C” headwords
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A sedative drug used to treat schizophrenia.
Corpus desk
Index EN-clozapine · clozapine · English
clozapine · rank #95,833 · 0 variants · 0 confusables
- FREQ-RARE #95,833
- LEN-LONG 9 letters
- VOW-4 4 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-DENSE 5,599
- PHOTO-FINISH clownish
Nearest frequency peer: clownish (-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 “clozapine”
Sparse band: bars invert rank so rarer forms read shorter
- clenbuterol
clenbuterol
4,171 corpus weight
- clinger
clinger
4,170 corpus weight
- clownish
clownish
4,169 corpus weight
- clozapine
clozapine
4,168 corpus weight
- clunker
clunker
4,167 corpus weight
- coaling
coaling
4,166 corpus weight
What this shows Long-tail view: where “clozapine” sits against similarly uncommon English ranks.
| Property | Value |
|---|---|
| Headword | clozapine |
| Language | English |
| Part of speech | Noun |
| IPA | /ˈkləʊ.zə.piːn/ |
| Letters | 9 |
| Frequency rank | #95,833 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “clozapine” in English
Rare enough to double-check
clozapine is uncommon English at frequency #95,833 among 5,599 “C” headwords, classed as anoun, transcribed /ˈkləʊ.zə.piːn/. Rarity is why readers land here mid-draft. Gloss: "A sedative drug used to treat schizophrenia.".
No misspelling variants are generated for clozapine in our index, which points to an orthography that plays by predictable English rules. Our confusable-pair dataset has no match for it, which tends to mean the word is visually distinctive enough to stand on its own.
Etymologically, the entry records: From chlo(ro)- + -zapine (“alteration of (benzodi)azepine”). The correct English form is clozapine, spelled C-L-O-Z-A-P-I-N-E.
Definition
- 1A sedative drug used to treat schizophrenia.
Etymology
From chlo(ro)- + -zapine (“alteration of (benzodi)azepine”).
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 "clozapine", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 9 letters (nearest by frequency rank).