frigid vs off-color

frigid

adj
  • Sexually unresponsive, especially of a woman. 

  • Chilly in manner; lacking affection or zeal; impassive. 

  • Very cold; lacking warmth; icy. 

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 frigid and off-color occurred in a corpus of books? (source: Google Ngram Viewer )