etymologise vs linguistics

etymologise is not a noun while linguistics is a noun.

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

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

etymologise (verb)	linguistics (verb)
construct the history of words
give the etymology or derivation or suggest an etymology (for a word)