coarse vs foul-mouthed

coarse

adj
  • Of inferior quality. 

  • Composed of large particles. 

  • Lacking refinement, taste or delicacy. 

  • With a rough texture; not smooth. 

foul-mouthed

adj
  • Tending to use obscene or offensive language. 

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