Adrenaline is a synonym of adrenalin.
As nouns the difference between adrenalin and adrenaline
is that adrenalin is an alternative spelling of adrenaline while adrenaline is an alternative name for epinephrine; the hormone and neurotransmitter.
adrenalin
English
Noun
(-)
Derived terms
* adrenalin rush
----
adrenaline
Alternative forms
*
Noun
(-)
(hormone) An alternative name for epinephrine; the hormone and neurotransmitter.
Derived terms
* adrenaline junkie
* adrenaline rush