ねばならない/ねばならぬ/ねば => have to do; must; should ~ N2
ね => isn't it? right? eh? N5
かねない => Afraid that N2
Potential, Possibility
ね => Requests confirmation from the listener N5
Particles
むき => facing towards N3
Direction
...はむりだ... => impossible N4
Description
むしろ => rather; instead N2
Compare
込む => to be crowded N3
なくて済む/ないで済む => get by without doing ~ N2
かねる => unable to do something; can’t do something N2
ねばならない => Must A N2
Needs, Requirements
かねない => (someone) might do something; something might happen N2