adaxial vs biology

adaxial is not a noun while biology is a noun.

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

adaxial (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

adaxial (adjective)	biology (adjective)
nearest to or facing toward the axis of an organ or organism