air freshener vs deodorant

air freshener

noun
  • Any of many forms of device containing substances that neutralize or mask unpleasant odours. 

deodorant

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

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

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

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