noun
murderer, assassin, slayer, gunman, gangster, shooter, strangler, poisoner, butcher, executioner, hangman, assassinator, hit man*, manslayer, serial murderer, sniper, electrocutioner, headsman, axman, cutthroat, ruffian, garroter, lyncher, exterminator, homicide, patricide, matricide, parricide, fratricide, regicide, suicide, hired gun*, hatchet man*; see also criminal, destroyer 1, executioner.