olfactory vs sordid

olfactory

adj
  • Concerning the sense of smell. 

noun
  • The sense of smell. 

sordid

adj
  • Dirty or squalid. 

  • Of a dull colour. 

  • Morally degrading. 

  • Distasteful, ignoble, vile, or contemptible. 

  • Grasping; stingy; avaricious. 

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