sever
/ˈse-vər/
verb
to put or keep apart : divide; especially : to remove (something, such as a part) by or as if by cutting
to become separated
separate part divide sever sunder divorce mean to become or cause to become disunited or disjointed. separate may imply any of several causes such as dispersion, removal of one from others, or presence of an intervening thing. part implies the separating of things or persons in close union or association.