olfactory vs sensuous

olfactory

adj
  • Concerning the sense of smell. 

noun
  • The sense of smell. 

sensuous

adj
  • Of or relating to the senses; sensory. 

  • Appealing to the senses, or to sensual gratification. 

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