turn down vs spurn

turn down and spurn both are verbs.

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

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

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

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