superclass vs biology

superclass and biology both are nouns.

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

superclass (noun)	biology (noun)
(biology) a taxonomic class below a phylum and above a class	the science that studies living organisms
	all the plant and animal life of a particular region
	characteristic life processes and phenomena of living organisms