icky vs olfactory

icky

adj

  • Unpleasantly sticky; yucky; disgusting. 

  • Excessively sentimental. 

  • Unwell or upset; in a bad state of mind or health. 

olfactory

adj

  • Concerning the sense of smell. 

noun

  • The sense of smell. 

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