bronze vs mercury

bronze

noun
  • A naturally occurring or man-made alloy of copper, usually in combination with tin, but also with one or more other metals. 

  • A work of art made of bronze, especially a sculpture. 

  • A reddish-brown colour, the colour of bronze. 

  • Boldness; impudence. 

  • A bronze medal. 

adj
  • Made of bronze metal. 

  • Having a reddish-brown colour. 

  • Tanned; darkened as a result of exposure to the sun. 

verb
  • To color bronze; (of the sun) to tan. 

  • To change to a bronze or tan colour due to exposure to the sun. 

  • To make hard or unfeeling; to brazen. 

  • To plate with bronze. 

mercury

noun
  • One of the elemental principles formerly thought to be present in all metals. 

  • Any plant of any species of the genus and the genus Mercurialis. 

  • The poison oak or poison ivy. 

  • An annual plant, annual mercury (Mercurialis annua), formerly grown for its medicinal properties; French mercury, herb mercury. 

  • Ambient pressure or temperature (from the use of mercury in barometers and thermometers). 

  • A silvery-colored, toxic, metallic chemical element, liquid at room temperature, with atomic number 80 and symbol Hg. 

  • A similar edible plant (Blitum bonus-henricus), otherwise known as English mercury or allgood. 

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