sever

[1]	cut off/apart/in two , break up , lop/chop/hew/hack off , slice/shear off , cleave , dock , bob , dissever , split , separate , divide , disjoin , detach , disconnect
[2]	separate , discerp , lop , disunite , dissolve , break off/up , terminate , end , cease , stop , discontinue , suspend , abandon , put an end to