colchicine
/ˈkɒl.tʃɪs.iːn/
"colchicine" is a 10-letter English headword indexed on PlainSpell.
The verdict
“colchicine” is uncommon English (frequency #77,543 among 5,599 “C” headwords), classed as a noun. The kind of spelling people second-guess.
- #77,543
- frequency rank, English
- 5,599
- “C” headwords
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A highly toxic alkaloid, chemical formula C₂₂H₂₅NO₆, originally extracted from plants of the genus Colchicum and formerly used to treat rheumatic complaints, now used mainly in the treatment of gout.
Corpus desk
Index EN-colchicine · colchicine · English
colchicine · rank #77,543 · 0 variants · 0 confusables
- FREQ-RARE #77,543
- LEN-MEGA 10 letters
- VOW-4 4 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-DENSE 5,599
- PHOTO-FINISH cogeneration
Nearest frequency peer: cogeneration (-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 “colchicine”
Sparse band: bars invert rank so rarer forms read shorter
- Clausewitz
Clausewitz
22,462 corpus weight
- cliffside
cliffside
22,460 corpus weight
- cogeneration
cogeneration
22,459 corpus weight
- colchicine
colchicine
22,458 corpus weight
- combinator
combinator
22,455 corpus weight
- communing
communing
22,454 corpus weight
What this shows Long-tail view: where “colchicine” sits against similarly uncommon English ranks.
| Property | Value |
|---|---|
| Headword | colchicine |
| Language | English |
| Part of speech | Noun |
| IPA | /ˈkɒl.tʃɪs.iːn/ |
| Letters | 10 |
| Frequency rank | #77,543 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “colchicine” in English
Rare enough to double-check
colchicine is uncommon English at frequency #77,543 among 5,599 “C” headwords, classed as anoun, transcribed /ˈkɒl.tʃɪs.iːn/. Rarity is why readers land here mid-draft. Gloss: "A highly toxic alkaloid, chemical formula C₂₂H₂₅NO₆, originally extracted from plants of the genus Colchicum and formerly used to treat rheumatic complaints, now used mainly in the treatment of gout.".
Our edit-distance generator produced no likely misspellings for colchicine, a straightforward case of a spelling with little room for common typos. No confusable counterpart is on file for this word, since no other headword is close enough in sound or shape to pair with it.
Etymologically, the entry records: From colchicum + -ine. The correct English form is colchicine, spelled C-O-L-C-H-I-C-I-N-E.
Definition
- 1A highly toxic alkaloid, chemical formula C₂₂H₂₅NO₆, originally extracted from plants of the genus Colchicum and formerly used to treat rheumatic complaints, now used mainly in the treatment of gout.
Recorded use
Wiktionary exampleThese source excerpts show how colchicine appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
Gloriosa superba: spectacularly beautiful climbing lily. Roots, stalks, leaves contain an acrid narcotic, superbine, as well as colchicine and choline. Three grains of colchicine are fatal. Hawaii.
Etymology
From colchicum + -ine.
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 "colchicine", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 10 letters (nearest by frequency rank).