activate vs activator

activate is not a noun while activator is a noun.

Word	Noun	Adjective	Verb	Adverb
activate	No	No	Yes	No
activator	Yes	No	No	No

activate (noun)	activator (noun)
	(biology) any agency bringing about activation; a molecule that increases the activity of an enzyme or a protein that increases the production of a gene product in DNA transcription

activate (verb)	activator (verb)
make active or more active
make (substances) radioactive
aerate (sewage) so as to favor the growth of organisms that decompose organic matter
make more adsorptive
put in motion or move to act