S: (n) abort (the act of terminating a project or procedure before it is completed) "I wasted a year of my life working on an abort"; "he sent a short message requesting an abort due to extreme winds in the area"
S: (n) abolition, abolishment (the act of abolishing a system or practice or institution (especially abolishing slavery)) "the abolition of capital punishment"
S: (n) liquidation, settlement (termination of a business operation by using its assets to discharge its liabilities)
S: (n) upset, derangement, overthrow (the act of disturbing the mind or body) "his carelessness could have caused an ecological upset"; "she was unprepared for this sudden overthrow of their normal way of living"
Verb
S: (v) overthrow, subvert, overturn, bring down (cause the downfall of; of rulers) "The Czar was overthrown"; "subvert the ruling class"