killer vs terminator

killer

noun
  • One who or that which kills. 

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

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

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

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

  • 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. 

terminator

noun
  • Someone who terminates or ends something, especially (in later use) an assassin or exterminator. 

  • An electrical device that absorbs reflection at the end of a transmission line. 

  • The line between the day side and the night side of a moon, planet or other celestial body. 

  • A text character that serves to mark the end of a document or transmission. 

  • A DNA sequence which causes RNA transcription to cease and an mRNA transcript to break off. 

  • An intelligent android created to destroy humans. 

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