XXX vs offensive

XXX

noun
  • Triple X syndrome. 

adj
  • Extra strong; very high quality. 

  • Designating extreme or hardcore pornography. 

symbol
  • An indicator of hazard or poison. 

  • Traditional brewer's mark for barrels of extra strong beer—extended to other alcoholic beverages and other products having an extra strong dimension (varying from laundry soap to pornography). 

verb
  • To delete; to cross out, especially to conceal or suggest vulgar language. 

offensive

adj
  • Relating to an offense or attack, as opposed to defensive. 

  • Causing offense; arousing a visceral reaction of disgust, anger, hatred, or indignation. 

  • Having to do with play directed at scoring. 

noun
  • An attack. 

  • The posture of attacking or being able to attack. 

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