adarme vs peso

adarme

noun
  • Synonym of peso, during periods when it was a Spanish coin notionally equivalent to an adarme of gold. 

  • A traditional Spanish unit of mass, equivalent to about 1.8 g. 

peso

noun
  • A former unit of currency in Spain and Spain's colonies, worth 8 reales; the Spanish dollar. 

  • The circulating currency of various Spanish-speaking American countries (Argentina, Chile, Colombia, Cuba, the Dominican Republic, Mexico, and Uruguay) and the Philippines. 

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