turn away vs turn down

turn away and turn down both are verbs.

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

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

Other synonyms of turn away include refuse, reject.

turn away (verb)	turn down (verb)
turn from a straight course, fixed direction, or line of interest	make lower or quieter
turn away or aside	take a downward direction
move so as not face somebody or something	reject with contempt
refuse entrance or membership	not accept as true
	refuse entrance or membership