off-color vs scabious

off-color

adj
  • Feeling mildly unwell. 

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

  • Different than usual. 

  • Of the wrong color. 

scabious

adj
  • Having scabs. 

  • Of or pertaining to scabies. 

noun
  • Any of various herbaceous plants of the genus Scabiosa. 

  • Any of several plants of the genus Knautia. 

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