face-off vs political opposition

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 

political opposition

noun
  • Actions by one political group against another political group, either by using governmental power or by popular actions such as protests; generally, disagreement in politics. 

  • A recognized political party or group of parties in multiparty political systems that is present in Parliament or some other legislative body and does not control the floor (usually due to being in the minority). 

  • An unrecognized political party in a one-party state. 

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