suprasegmental vs linguistics

suprasegmental is not a noun while linguistics is a noun.

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

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

suprasegmental (adjective)	linguistics (adjective)
pertaining to a feature of speech that extends over more than a single speech sound