[兼「か」]ねて => Also for the purpose of A N1
Miscellaneous
ねばならない/ねばならぬ/ねば => have to do; must; should ~ N2
かねない => Afraid that N2
Potential, Possibility
ねばならない => Must A N2
Needs, Requirements
かねない => (someone) might do something; something might happen N2
ね => isn't it? right? eh? N5
ね => Requests confirmation from the listener N5
Particles
...なりなんなり... => any,anything,whatever N1
Vague
...なり...なり => [A] or [B] or~ N1
Selection
かねる => unable to do something; can’t do something N2
…どうりがない => No reason... N2
Emphasize negative meaning
~きわまる/きわまりない(~極まる/極まりない)      => extremely; very ~ N1