affinitatively vs pretty well

affinitatively

adv
  • In a manner than pertains to an affinity; familiarly; understandingly; similarly. 

pretty well

adv
  • Used other than figuratively or idiomatically: see pretty, well. 

  • Synonym of pretty much (“almost completely; very nearly”) 

How often have the words affinitatively and pretty well occurred in a corpus of books? (source: Google Ngram Viewer )