alpine vs biology

alpine is not a noun while biology is a noun.

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

alpine (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

alpine (adjective)	biology (adjective)
relating to or characteristic of alps
living or growing above the timber line