ozone vs zephyr

ozone

noun
  • Fresh air, especially that breathed at the seaside and smelling of seaweed. 

  • An allotrope of oxygen (symbol O₃) having three atoms in the molecule instead of the usual two; it is a toxic gas, generated from oxygen by electrical discharge. 

  • Hypernym: greenhouse gas 

verb
  • To treat with ozone. 

zephyr

noun
  • Any light refreshing wind; a gentle breeze. 

  • Anything of fine, soft, or light quality, especially fabric. 

  • A light wind from the west. 

verb
  • To blow or blow on gently like a zephyr; to cool or refresh with a gentle breeze. 

  • To blow or move like a zephyr, or light breeze. 

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