Cain, aborticide, apache, assassin, assassination, assassinator, blood, bloodletter, bloodshedder, bloody murder, bravo, bumping-off, burker, butcher, button man, cannibal, cutthroat, desperado, elimination, eradicator, executioner, exterminator, foul play, fratricide, fungicide, garroter, genocide, germicide, gorilla, gun, gunman, gunsel, hatchet man, head-hunter, herbicide, hit man, homicidal maniac, infanticide, insecticide, killer, killing, liquidation, man-eater, man-killer, manslaughter, manslayer, massacrer, matador, matricide, microbicide, murder, murderer, parricide, patricide, pesticide, poison, poisoner, purge, purging, regicide, removal, rodenticide, slaughterer, slayer, sororicide, strangler, suicide, thug, thuggee, thuggery, thuggism, torpedo, trigger man, uxoricide, vermicide