drizzle vs smog

drizzle

noun
  • Very small, numerous, and uniformly dispersed water drops, mist, or sprinkle. Unlike fog droplets, drizzle falls to the ground. 

  • Light rain. 

  • Water. 

  • A cake onto which icing, honey or syrup has been drizzled in an artistic manner. 

verb
  • To rain lightly. 

  • To shed slowly in minute drops or particles. 

  • To cover by pouring in this manner. 

  • To urinate. 

  • To pour slowly and evenly, especially oil or honey in cooking. 

smog

noun
  • A noxious mixture of particulates and gases that is the result of urban air pollution. 

verb
  • To get a smog check; to check a vehicle or have it checked for emissions. 

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