olfactory vs tactile

olfactory

adj
  • Concerning the sense of smell. 

noun
  • The sense of smell. 

tactile

adj
  • Used for feeling. 

  • Of or relating to the sense of touch. 

  • Tangible; perceptible to the sense of touch. 

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