olfactory vs scabrous

olfactory

adj
  • Concerning the sense of smell. 

noun
  • The sense of smell. 

scabrous

adj
  • Disgusting, repellent. 

  • Of music, writing, etc.: lacking refinement; unmelodious, unmusical. 

  • Difficult, thorny, troublesome. 

  • Covered with a crust of dirt or grime. 

  • Having scabers 

  • Covered with scales or scabs; hence, very coarse or rough. 

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