coarse vs sophisticated

coarse

adj
  • Composed of large particles. 

  • Lacking refinement, taste or delicacy. 

  • Of inferior quality. 

  • With a rough texture; not smooth. 

sophisticated

adj
  • Of a person: having obtained worldly experience, and lacking naiveté; cosmopolitan, worldly-wise. 

  • Complicated, especially of complex technology. 

  • Of art or other things: appealing to the tastes of an intellectual or sophisticated (sense 1) person; cerebral; also, cultured, elegant, refined. 

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