biology vs superclass

biology and superclass both are nouns.

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

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