gustatory vs organoleptic

gustatory

adj
  • Of, or relating to, the sense of taste. 

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 gustatory and organoleptic occurred in a corpus of books? (source: Google Ngram Viewer )