turn back vs dispel

turn back and dispel both are verbs.

Word	Noun	Adjective	Verb	Adverb
turn back	No	No	Yes	No
dispel	No	No	Yes	No

As verbs, turn back and dispel are synonyms defined as:

turn back and dispel: force to go away; used both with concrete and metaphoric meanings

Other synonyms of turn back include chase away, drive away, drive off, drive out, run off.

turn back (verb)	dispel (verb)
go back to a previous state	force to go away; used both with concrete and metaphoric meanings
turn inside out or upside down	to cause to separate and go in different directions
hold back, as of a danger or an enemy; check the expansion or influence of
retrace one's course
force to go away; used both with concrete and metaphoric meanings