perverted vs unappropriate

perverted

adj
  • Of, relating to, or practicing unusual or "kinky" sex. 

  • Deviating from what is normally considered right, normal or correct. 

  • Misrepresented, altered or distorted. 

unappropriate

adj
  • Inappropriate; unsuitable. 

verb
  • To take from private possession; to restore to the possession or right of all. 

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