pervert vs pollute

pervert

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

  • To turn another way; to divert. 

  • 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. 

pollute

verb
  • To corrupt or profane 

  • To violate sexually; to debauch; to dishonour. 

  • To make something harmful, especially by the addition of some unwanted product. 

  • To make something or somewhere less suitable for some activity, especially by the introduction of some unnatural factor. 

adj
  • Polluted; defiled. 

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