form genus vs biology

form genus and biology both are nouns.

Word	Noun	Adjective	Verb	Adverb
form genus	Yes	No	No	No
biology	Yes	No	No	No

form genus (noun)	biology (noun)
an artificial taxonomic category established on the basis of morphological resemblance for organisms of obscure true relationships especially fossil forms	the science that studies living organisms
(biology) an artificial taxonomic category for organisms of which the true relationships are obscure; forms the first half of a species' unique Latinate name	all the plant and animal life of a particular region
	characteristic life processes and phenomena of living organisms