change of mind vs turnaround

change of mind and turnaround both are nouns.

Word	Noun	Adjective	Verb	Adverb
change of mind	Yes	No	No	No
turnaround	Yes	No	No	No

As nouns, change of mind and turnaround are synonyms defined as:

change of mind and turnaround: a decision to reverse an earlier decision

Other synonyms of change of mind include flip-flop, reversal, turnabout.

change of mind (noun)	turnaround (noun)
a decision to reverse an earlier decision	turning in the opposite direction
	act or process of unloading and loading and servicing a vessel or aircraft for a return trip
	an area sufficiently large for a vehicle to turn around
	a decision to reverse an earlier decision
	time need to prepare a vessel or ship for a return trip