horse opera vs westerly

horse opera

noun
  • A theatrical production, film, or program on radio or television depicting adventures of characters in the American Old West; a western. 

westerly

noun
  • A westerly wind or storm, one blowing or coming from the west. 

adj
  • Facing the west; directed towards the west. 

  • Coming from the west. 

  • Located towards or in the west. 

adv
  • Towards the west. 

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