erogenous vs filthy

erogenous

adj
  • Sensitive to sexual arousal. 

  • Causing sexual arousal; erotogenic. 

filthy

adj
  • Obscene or offensive. 

  • Covered with filth; very dirty. 

  • Very unpleasant or disagreeable. 

verb
  • To make very dirty; to saturate something with dirt. 

  • To cover in filth. 

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