chase away vs chase

chase away is not a noun while chase is a noun.

Word	Noun	Adjective	Verb	Adverb
chase away	No	No	Yes	No
chase	Yes	No	Yes	No

chase away (noun)	chase (noun)
	the act of pursuing in an effort to overtake or capture
	a rectangular metal frame used in letterpress printing to hold together the pages or columns of composed type that are printed at one time

chase away (verb)	chase (verb)
force to go away; used both with concrete and metaphoric meanings	cut a groove into
	cut a furrow into a columns
	go after with the intent to catch
	pursue someone sexually or romantically