aspectual vs linguistics

aspectual is not a noun while linguistics is a noun.

Word	Noun	Adjective	Verb	Adverb
aspectual	No	Yes	No	No
linguistics	Yes	No	No	No

aspectual (noun)	linguistics (noun)
	the scientific study of language
	the humanistic study of language and literature

aspectual (adjective)	linguistics (adjective)
of or belonging to an aspect (as an aspect of the verb)