Slayer

Noun

 * 1) One who slays; a killer; a murderer; a destroyer of life.

Synonyms

 * See also Thesaurus:killer

Thesaurus
Cain, apache, assassin, assassinator, bloodletter, bloodshedder, bravo, burker, butcher, button man, cannibal, cutthroat, desperado, eradicator, executioner, exterminator, garroter, gorilla, gun, gunman, gunsel, hatchet man, head-hunter, hit man, homicidal maniac, homicide, killer, man-eater, man-killer, manslayer, massacrer, matador, murderer, pesticide, poison, poisoner, slaughterer, strangler, thug, torpedo, trigger man

Etymology
From slay: + -er:.

Translations

 * Finnish: ,

Anagrams

 * layers, re-lays, relays