turnabout vs reversal

turnabout and reversal both are nouns.

Word	Noun	Adjective	Verb	Adverb
turnabout	Yes	No	No	No
reversal	Yes	No	No	No

As nouns, turnabout and reversal are synonyms defined as:

Other synonyms of turnabout include reverse, reversion, turnaround.

As nouns, turnabout and reversal are synonyms defined as:

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

turnabout (noun)	reversal (noun)
turning in the opposite direction	a change from one state to the opposite state
a decision to reverse an earlier decision	the act of reversing the order or place of
	turning in the opposite direction
	a major change in attitude or principle or point of view
	a judgment by a higher court that the judgment of a lower court was incorrect and should be set aside
	a decision to reverse an earlier decision
	turning in an opposite direction or position
	an unfortunate happening that hinders or impedes; something that is thwarting or frustrating