olfactory vs stinky

olfactory

adj

  • Concerning the sense of smell. 

noun

  • The sense of smell. 

stinky

adj

  • Having a strong, unpleasant smell; stinking. 

  • Bad, undesirable. 

noun

  • a bowel movement; feces or diarrhoea 

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