rupture

[1]	break (up/apart) , split , fracture , cleave , divide , breach , separate , disrupt , part , sunder
[2]	tear , snap , bust

[1]	break , rift , split , fissure , fracture , cleavage , bursting , breaking , splitting , break-up , breach , schism , disunity , breaking up , severance , division , separation
[2]	hernia , breach , break , severance , rift , falling out