close to the bone vs foul-mouthed

close to the bone

adj
  • Penetrating and relatable, to the point of causing discomfort. 

  • Destitute. 

foul-mouthed

adj
  • Tending to use obscene or offensive language. 

How often have the words close to the bone and foul-mouthed occurred in a corpus of books? (source: Google Ngram Viewer )