Synonyms of bump someone off in English:

kill, murder, cause the death of, end the life of, take the life of, do away with, make away with, assassinate, do to death, eliminate, terminate, dispatch, finish off, put to death, execute

slaughter, butcher, massacre, wipe out, destroy, annihilate, erase, eradicate, exterminate, extirpate, decimate, mow down, shoot down, cut down, cut to pieces

put down, put to sleep

polish off, do in, do for, knock off, top, take out, croak, stiff, blow away, liquidate, dispose of

North American ice, off, rub out, waste, whack, scrag, smoke

literary slay