biological science vs scabrous

biological science is a noun but scabrous is not a noun.

Word	Noun	Adjective	Verb	Adverb
biological science	Yes	No	No	No
scabrous	No	Yes	No	No

biological science (noun)	scabrous (noun)
the science that studies living organisms

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