Verb
to disjoin [ disjoined ; disjoined ]
to dismantle [ dismantled ; dismantled ]
to disassemble [ disassembled ; disassembled ]
to cannibalize {mechanical engineering}, [ cannibalized ; cannibalized ]
to unbutton [ unbuttoned ; unbuttoned ]
to undo [ undid ; undone ]
to dismount [ dismounted ; dismounted ]
to dissociate [ dissociated ; dissociated ]