cacuminal vs linguistics

cacuminal is not a noun while linguistics is a noun.

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

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

cacuminal (adjective)	linguistics (adjective)
pronounced with the tip of the tongue turned back toward the hard palate