dirtbag vs pervert

dirtbag

noun
  • A dirty, grimy, sleazy, or disreputable person. 

  • A poor climber, alpinist, skier or other outdoorsman who lives cheaply, without normal employment, and with few amenities in order to spend as much time on their sport as possible. Used praisingly. 

pervert

noun
  • A person whose sexual habits are not considered acceptable. 

verb
  • To turn another way; to divert. 

  • To corrupt; to cause to be untrue; corrupted or otherwise impure 

  • to misinterpret designedly. 

  • To misapply, misuse, use for a nefarious purpose 

  • To become perverted; to take the wrong course. 

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