linguistics vs cognate

linguistics and cognate both are nouns.

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

linguistics (noun)	cognate (noun)
the scientific study of language	a word is cognate with another if both derive from the same word in an ancestral language
the humanistic study of language and literature	one related by blood or origin; especially on sharing an ancestor with another

linguistics (adjective)	cognate (adjective)
	related by blood
	having the same ancestral language
	related in nature