activator vs biology

activator and biology both are nouns.

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

activator (noun)	biology (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	the science that studies living organisms
	all the plant and animal life of a particular region
	characteristic life processes and phenomena of living organisms