cent vs foreign currency

cent

noun
  • A subunit of currency equal to one-hundredth of the main unit of currency in many countries. Symbol: ¢. 

  • A subunit of currency equal to one-hundredth of the euro. 

  • A hundredth of a semitone or half step. 

  • A small sum of money. 

  • A unit of reactivity equal to one hundredth of a dollar. 

  • A coin having face value of one cent (in either of the above senses). 

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 cent and foreign currency occurred in a corpus of books? (source: Google Ngram Viewer )