sensation vs titillation

sensation

noun
  • A physical feeling or perception from something that comes into contact with the body; something sensed. 

  • A widespread reaction of interest or excitement. 

titillation

noun
  • A pleasurable or sexually exciting sensation. 

  • The process or outcome of titillating. 

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