enkephalin
noun
enkephalin is spelled E-N-K-E-P-H-A-L-I-N: 10 letters. It appears about once in every 41 million words in written English, the 196,618th most frequent word form (wordfreq, 2021 data). As a noun, enkephalin means “Any of a group of pentapeptide endorphins that have opiate-like effects” (English Wiktionary, September 2026). The plural of enkephalin is enkephalins.
How many letters and syllables are in enkephalin?
| Letters | 10: E-N-K-E-P-H-A-L-I-N |
|---|---|
| In writing | about once in every 41 million words; the 196,618th most frequent word form |
| Wrong spellings searched | none measured in search |
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).
How common is enkephalin?
Enkephalin appears about once in every 41 million words in written English, the 196,618th 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).
Forms of enkephalin
- enkephalins plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does enkephalin mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
Any of a group of pentapeptide endorphins that have opiate-like effects
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Enkephalin in Spanish, French, German and Portuguese
In the sense Translations:
| Language | Words |
|---|---|
| French | enképhaline |
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Translations are Wiktionary's, by sense; a linked word has its own PlainSpell page.
Where does enkephalin come from?
From Ancient Greek ἐγκέφαλος (enképhalos, “brain”) + -in.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).