nuclear vs biology

nuclear is not a noun while biology is a noun.

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

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

nuclear (adjective)	biology (adjective)
(weapons) deriving destructive energy from the release of atomic energy
of or relating to or constituting the nucleus of an atom
of or relating to or constituting the nucleus of a cell
constituting or like a nucleus