scorn vs turn down

scorn is a noun but turn down is not a noun.

Word	Noun	Adjective	Verb	Adverb
scorn	Yes	No	Yes	No
turn down	No	No	Yes	No

As verbs, scorn and turn down are synonyms defined as:

Other synonyms of scorn include disdain, freeze off, pooh-pooh, reject, spurn.

scorn (noun)	turn down (noun)
open disrespect for a person or thing
lack of respect accompanied by a feeling of intense dislike

scorn (verb)	turn down (verb)
reject with contempt	make lower or quieter
look down on with disdain	take a downward direction
	reject with contempt
	not accept as true
	refuse entrance or membership