licentious vs off-color

licentious

adj
  • Lacking restraint, or ignoring societal standards, particularly in sexual conduct; sexually unprincipled 

  • Disregarding accepted rules. 

off-color

adj
  • Dirty, vulgar or obscene, especially in a way that is unpleasant. 

  • Feeling mildly unwell. 

  • Different than usual. 

  • Of the wrong color. 

How often have the words licentious and off-color occurred in a corpus of books? (source: Google Ngram Viewer )