biology vs scabrous

biology is a noun but scabrous is not a noun.

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

biology (noun)	scabrous (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

biology (adjective)	scabrous (adjective)
	dealing with salacious or indecent material
	rough to the touch; covered with scales or scurf