S: (v) end, terminate (bring to an end or halt) "She ended their friendship when she found out that he had once been convicted of a crime"; "The attack on Poland terminated the relatively peaceful period after WW I"
S: (v) change, alter, modify (cause to change; make different; cause a transformation) "The advent of the automobile may have altered the growth pattern of the city"; "The discussion has changed my thinking about the issue"
W: (n) interruption [Related to: interrupt] (an act of delaying or interrupting the continuity) "it was presented without commercial breaks"; "there was a gap in his account"
W: (n) disruption [Related to: disrupt] (an act of delaying or interrupting the continuity) "it was presented without commercial breaks"; "there was a gap in his account"