passable vs quite good

passable

adj
  • Tolerable; adequate; no more than satisfactory. 

  • able to "pass", or be accepted as a member of a race, sex or other group to which society would not otherwise regard one as belonging. 

  • That may be passed or traversed. 

quite good

adj
  • Used other than figuratively or idiomatically: see quite, good. 

  • Excellent. 

How often have the words passable and quite good occurred in a corpus of books? (source: Google Ngram Viewer )