pervert vs unscramble

pervert

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. 

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

unscramble

verb
  • To reverse the process of scrambling, decrypt. 

  • To put into order or restore to order. 

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