deodorant vs olfaction

deodorant

noun
  • An odor-controlling substance applied to the underarm to counteract odor from perspiration. 

  • Any agent acting to eliminate, reduce, mask, or control odor. 

adj
  • acting or including an agent to eliminate, reduce, mask, or control odor 

olfaction

noun
  • The sense of smell; the detection of airborne molecules. 

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