cheddar vs foreign currency

cheddar

noun
  • Money, cash, currency. 

  • A cheese styled after the Cheddar cheese made in Cheddar. 

verb
  • To cut and press cheese so as to remove the whey and leave drier curds. 

foreign currency

noun
  • Any currency that is in use in a foreign nation, and an authorized medium of circulation and the basis for record-keeping in that nation. 

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