off-color vs suggestive

off-color

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

  • Feeling mildly unwell. 

  • Different than usual. 

  • Of the wrong color. 

suggestive

adj
  • Suggesting romance, sex, etc.; risqué. 

  • Relating to hypnotic suggestion. 

  • Tending to suggest or imply. 

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