S: (n) ending, conclusion, finish (event whose occurrence ends something) "his death marked the ending of an era"; "when these final episodes are broadcast it will be the finish of the show"
S: (n) change of state (the act of changing something into something different in essential characteristics)
S: (n) change (the action of changing something) "the change of government had no impact on the economy"; "his change on abortion cost him the election"
S: (n) action (something done (usually as opposed to something said)) "there were stories of murders and other unnatural actions"