accurate vs coarse-grained

accurate

adj
  • Telling the truth or giving a true result; exact; not defective or faulty 

  • Deviating only slightly or within acceptable limits. 

coarse-grained

adj
  • Consisting of coarse particles. 

  • Having a coarse, irregular texture. 

  • inelegant; gross. 

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