gravy vs revenue

gravy

noun
  • Unearned gain. 

  • Sauce used for pasta. 

  • A dark savoury sauce prepared from stock and usually meat juices; brown gravy. 

  • Extra benefit. 

  • Curry sauce. 

  • A pale sauce prepared from a roux with meat fat; a type of béchamel sauce. 

verb
  • To make gravy. 

revenue

noun
  • A return; something paid back. 

  • All income generated for some political entity's treasury by taxation and other means. 

  • The net income from normal business operations; net sales. 

  • The income returned by an investment. 

  • The total sales; turnover. 

  • The total income received from a given source. 

verb
  • To supply with revenue. 

  • To generate revenue. 

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