ethinylestradiol
/ɪˌθaɪ.nl̩ˌɛ.stɹəˈdaɪˌɔl/noun
ethinylestradiol is spelled E-T-H-I-N-Y-L-E-S-T-R-A-D-I-O-L: 16 letters and 7 syllables. It appears about once in every 69 million words in written English, the 262,293rd most frequent word form (wordfreq, 2021 data). As a noun, ethinylestradiol means “A derivative of 17β-estradiol, the major endogenous estrogen in humans, used in oral contraceptives” (English Wiktionary, September 2026).
How many letters and syllables are in ethinylestradiol?
| Letters | 16: E-T-H-I-N-Y-L-E-S-T-R-A-D-I-O-L |
|---|---|
| Syllables | 7 (from its pronunciation) |
| In writing | about once in every 69 million words; the 262,293rd most frequent word form |
| Wrong spellings searched | none measured in search |
| Rhymes with |
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); rhymes and same-letter words are computed by PlainSpell from its own word list.
How common is ethinylestradiol?
Ethinylestradiol appears about once in every 69 million words in written English, the 262,293rd 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).
How do you pronounce ethinylestradiol?
- US /ɪˌθaɪ.nl̩ˌɛ.stɹəˈdaɪˌɔl/
- US /ˌɛθ.ɪ.nɪlˌɛ.stɹəˈdaɪˌɔl/
Ethinylestradiol has 7 syllables (counted from the pronunciation).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What rhymes with ethinylestradiol?
3 words on PlainSpell end in the same sounds as ethinylestradiol from its last stressed vowel (/aɪɔl/):
Computed by PlainSpell from the pronunciations in the English Wiktionary (dump of September 2, 2026): a rhyme shares every sound from the last stressed vowel to the end; ordered by written frequency (wordfreq 3.1).
Forms of ethinylestradiol
- ethynylestradiol
- ethinyl estradiol
- ethynyl estradiol
- ethinyloestradiol UK
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does ethinylestradiol mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
A derivative of 17β-estradiol, the major endogenous estrogen in humans, used in oral contraceptives.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Where does ethinylestradiol come from?
From ethinyl + estradiol.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).