fair game vs soft touch

fair game

noun
  • A goal or an object that may legitimately be sought. 

  • An acceptable subject or target for criticism, scrutiny, mockery, or attack. 

  • Actions permissible by the rules. 

  • Used other than figuratively or idiomatically: see fair, game.: a game that is fair, that does not involve cheating, etc. 

soft touch

noun
  • A comfortable situation; an easy task or undemanding occupation, especially one which is comfortably remunerative. 

  • A person or group that is sympathetic, accommodating, easily overcome, or easily persuaded, especially one that loans or readily gives money to another. 

How often have the words fair game and soft touch occurred in a corpus of books? (source: Google Ngram Viewer )