olfactive vs sensational

olfactive

adj
  • Of or pertaining to the sense of smell; olfactory 

sensational

adj
  • Of or pertaining to sensation. 

  • Provoking a reaction of interest or excitement. 

  • Piquing or arousing the senses. 

  • Exceptionally great. 

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