endorphine

\ɑ̃.dɔʁ.fin\

/\ɑ̃.dɔʁ.fin\/ noun

By · According to Wiktionary data (CC BY-SA) ·

The verdict

“endorphine” is uncommon French (frequency #99,039 among 201,161 “E” headwords), classed as a noun. The kind of spelling people second-guess.

#99,039
frequency rank, French
201,161
“E” headwords

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Neurotransmetteur agissant sur les récepteurs opiacés, et qu’on retrouve entre autres dans le cerveau et la moelle épinière ainsi que dans le système digestif.

Key facts for endorphine
PropertyValue
Headwordendorphine
LanguageFrench
Part of speechNoun
IPA\ɑ̃.dɔʁ.fin\
Letters10
Frequency rank#99,039
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “endorphine” sits in French frequency

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right). endorphine lands here:

#1#100#1K#10K#100K
← used constantlyrarely used →

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Rare enough to double-check

endorphine is uncommon French at frequency #99,039 among 201,161 “E” headwords, classed as anoun, transcribed \ɑ̃.dɔʁ.fin\. Rarity is why readers land here mid-draft. Gloss: "Neurotransmetteur agissant sur les récepteurs opiacés, et qu’on retrouve entre autres dans le cerveau et la moelle épinière ainsi que dans le système digestif.".

Zero misspellings are on record for endorphine in our index, which points to an orthography that plays by predictable French rules. No close-neighbour confusable shows up for this headword in our dataset, which typically means the spelling is too distinctive to be mistaken for another word.

No borrowing history is documented for this entry, so spelling patterns must be inferred from the word's phoneme-to-grapheme mapping rather than from a documented borrowing chain. The correct French form is endorphine, spelled E-N-D-O-R-P-H-I-N-E.

Definition

  1. 1
    Neurotransmetteur agissant sur les récepteurs opiacés, et qu’on retrouve entre autres dans le cerveau et la moelle épinière ainsi que dans le système digestif.

Synonyms

endomorphine

This word in other languages

endorphin(English)endorfina(Español)Endorphin(Deutsch)

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 French corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "endorphine"?
"endorphine" is spelled E-N-D-O-R-P-H-I-N-E. The IPA pronunciation is \ɑ̃.dɔʁ.fin\.
What does "endorphine" mean?
As a noun, "endorphine" means: Neurotransmetteur agissant sur les récepteurs opiacés, et qu’on retrouve entre autres dans le cerveau et la moelle épinière ainsi que dans le système digestif.
How do you pronounce "endorphine"?
The IPA (International Phonetic Alphabet) transcription for "endorphine" is \ɑ̃.dɔʁ.fin\. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "endorphine" come from?
"endorphine" is a French word. You can look up definitions, pronunciations, and spelling data for this and other words across English, Spanish, Portuguese, French, and German on PlainSpell.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Using “endorphine”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct French spelling is E-N-D-O-R-P-H-I-N-E - every other letter order is a misspelling in standard orthography.
  • Say it as \ɑ̃.dɔʁ.fin\ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Browse more French words and confusable pairs in the same reference. French words

Other uncommon French words near this rank

Data Source

Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list