coarse vs nonpositive

coarse

adj
  • Of inferior quality. 

  • Composed of large particles. 

  • Lacking refinement, taste or delicacy. 

  • With a rough texture; not smooth. 

nonpositive

adj
  • Not positive. 

  • Not positive; either zero or negative. 

noun
  • Any value that is not positive. 

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