battery acid vs chanate

battery acid

noun
  • Coffee. 

  • Acid used as electrolyte in a battery, usually sulphuric acid. 

chanate

noun
  • coffee 

  • a kind of tree (Colophospermum mopane) 

  • great-tailed grackle (Quiscalus mexicanus) 

  • a kind of bird 

  • black person 

  • red-winged blackbird (Agelaius phoeniceus) 

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