Synonyms and related words :
blow out, cash in, check out, choke, conk, croak, damp, die, douse, drop, extinguish, kick in, kick off, out, pass out, pop off, put down, put out, quash, quell, quench, silence, slack, smother, snuff, squash, squelch, stamp out, stifle, strangle, suffocate, suppress, trample out, trample underfoot