face-off vs tussling

face-off

noun
  • A confrontation or argument between two people or groups 

  • The start of play, when two players try to get control of the puck dropped by the referee 

tussling

noun
  • The act of one who tussles; a struggle. 

How often have the words face-off and tussling occurred in a corpus of books? (source: Google Ngram Viewer )