epinephrin vs adrenaline

epinephrin and adrenaline both are nouns.

Word	Noun	Adjective	Verb	Adverb
epinephrin	Yes	No	No	No
adrenaline	Yes	No	No	No

As nouns, epinephrin and adrenaline are synonyms defined as:

epinephrin and adrenaline: a catecholamine secreted by the adrenal medulla in response to stress (trade name Adrenalin); stimulates autonomic nerve action

Other synonyms of epinephrin include Adrenalin, epinephrine.

epinephrin (noun)	adrenaline (noun)
a catecholamine secreted by the adrenal medulla in response to stress (trade name Adrenalin); stimulates autonomic nerve action	a catecholamine secreted by the adrenal medulla in response to stress (trade name Adrenalin); stimulates autonomic nerve action