goombah vs guinea

goombah

noun
  • A person of Italian descent (often implies the person is connected to Italian organized crime) 

  • A companion, pal, close friend, or associate, especially among Italian-American men. It sometimes has the connotation of an older friend who acts as a patron, protector or adviser. 

guinea

noun
  • A person of Italian descent. 

  • Synonym of guinea fowl 

  • A gold coin originally worth twenty shillings; later (from 1717 until the adoption of decimal currency) standardised at a value of twenty-one shillings. 

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