killer vs sniper

killer

noun
  • A knockout form of darts or pool involving several players. 

  • A particularly heavy type of handstamp, or portion of one, often obscuring a large part of the postage stamp. 

  • That which causes stress or is extremely difficult, especially that which may cause failure at a task. 

  • Synonym of virama (“kind of diacritical mark”) 

  • One who or that which kills. 

  • A remarkably impressive person or thing. 

  • Something that is so far ahead of its competition that it effectively kills off that competition. 

  • A club used for killing fish. 

adj
  • Causing death, destruction, or obliteration. 

  • Excellent, very good, cool. 

  • Distressing, uncomfortable. 

sniper

noun
  • One who shoots from a concealed position. 

  • A person or automated process set up by a person who or which attempts to win an online auction by placing a bid only seconds before the auction ends, leaving no time for other bidders to respond 

  • A hunter of snipe (the bird). 

  • A player who specializes in scoring goals. 

  • A person using long-range small arms for precise attacks from a concealed position. 

  • Any attacker using a non-contact weapon against a specific target from a concealed position. 

  • One who criticizes; a person who frequently snipes at others. 

How often have the words killer and sniper occurred in a corpus of books? (source: Google Ngram Viewer )