camptothecin
noun
camptothecin is spelled C-A-M-P-T-O-T-H-E-C-I-N. The wrong spelling people search most is campothecin: about 10 Bing searches a month in the United States (September 2025 to August 2026), about 1 in 10 of all searches for the word. Camptothecin is a noun meaning “An alkaloid, derived from the tree Camptotheca acuminata, that inhibits DNA topomerase and is used as an…”.
How many letters and syllables are in camptothecin?
| Letters | 12: C-A-M-P-T-O-T-H-E-C-I-N |
|---|---|
| In writing | about once in every 74 million words; the 272,462nd most frequent word form |
| Wrong spellings searched | 1; the most searched, campothecin, about 10 Bing searches a month (all of them) |
Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media); Bing searches in the United States: the average month from September 2025 to August 2026 (Microsoft Advertising keyword data through DataForSEO, read September 30, 2026).
How do you spell camptothecin?
Camptothecin is spelled C-A-M-P-T-O-T-H-E-C-I-N. One wrong spelling is searched or written often enough to measure; together they are about 1 in 10 of the searches for camptothecin in either form.
Bing searches in the United States: the average month from September 2025 to August 2026 (Microsoft Advertising keyword data through DataForSEO, read September 30, 2026). Wrong spellings are taken from Wiktionary entries tagged "misspelling" and its obsolete or nonstandard forms, Wikipedia's Lists of common misspellings and the codespell dictionary, then measured. The proofreader's marks show the change that corrects each one.
How common is camptothecin?
Camptothecin appears about once in every 74 million words in written English, the 272,462nd most frequent word form in the list.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
What does camptothecin mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
An alkaloid, derived from the tree Camptotheca acuminata, that inhibits DNA topomerase and is used as an anticancer drug
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Where does camptothecin come from?
From taxonomic name Camptotheca + English -in.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).