angle for vs overture

angle for

verb
  • To try to obtain something by subtle indirect means: political manoeuvres, suggestion, etc. 

  • Used other than figuratively or idiomatically: see angle, for. 

overture

verb
  • To make overtures; to approach with a proposal. 

noun
  • A motion placed before a legislative body, such as the General Assembly of the Church of Scotland. 

  • A musical introduction to a piece of music, or a play. 

  • An approach or proposal made to initiate communication, establish a relationship etc. 

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