linguistic competence vs linguistics

linguistic competence and linguistics both are nouns.

Word	Noun	Adjective	Verb	Adverb
linguistic competence	Yes	No	No	No
linguistics	Yes	No	No	No

linguistic competence (noun)	linguistics (noun)
(linguistics) a speaker's implicit, internalized knowledge of the rules of their language (contrasted with linguistic performance)	the scientific study of language
	the humanistic study of language and literature