olfactory vs organoleptic

olfactory

adj
  • Concerning the sense of smell. 

noun
  • The sense of smell. 

organoleptic

adj
  • Of or pertaining to the sensory properties of a particular food or chemical, the taste, colour, odour, and feel. 

noun
  • Such a property 

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