bicker vs shootout

bicker

noun
  • A skirmish; an encounter. 

  • The process by which selective eating clubs at Princeton University choose new members. 

  • A wrangle; also, a noise, as in angry contention. 

  • A wooden drinking-cup or other dish. 

verb
  • To quarrel in a tiresome, insulting manner. 

  • To skirmish; to exchange blows; to fight. 

  • To brawl or move tremulously, quiver, shimmer (of a water stream, light, flame, etc.) 

  • To patter. 

shootout

noun
  • A decisive battle, especially a gunfight. 

  • A series of penalty shots during which a tied game is resolved. 

  • A multitable poker tournament in which only the last player on a table goes on to the next. 

  • A match in which both teams score highly. 

  • A penalty shootout. 

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