reversal vs turnabout

reversal and turnabout both are nouns.

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

As nouns, reversal and turnabout are synonyms defined as:

Other synonyms of reversal include reverse, reversion, turnaround.

As nouns, reversal and turnabout are synonyms defined as:

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

reversal (noun)	turnabout (noun)
a change from one state to the opposite state	turning in the opposite direction
the act of reversing the order or place of	a decision to reverse an earlier decision
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