variety vs biology

variety and biology both are nouns.

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

variety (noun)	biology (noun)
noticeable heterogeneity	the science that studies living organisms
a difference that is usually pleasant	all the plant and animal life of a particular region
a category of things distinguished by some common characteristic or quality	characteristic life processes and phenomena of living organisms
a show consisting of a series of short unrelated performances
(biology) a taxonomic category consisting of members of a species that differ from others of the same species in minor but heritable characteristics
a collection containing a variety of sorts of things