cognate vs linguistics

cognate and linguistics both are nouns.

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

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

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