gelt vs hiaqua

gelt

noun
  • Chocolate candy in the shape of coins, usually wrapped in metallic foil, usually eaten on Hanukkah and often used for games of dreidel. 

  • Tribute; tax. 

  • A lunatic. 

  • A gelding. 

  • Money, especially that given as a gift on Hanukkah or used in games of dreidel. 

  • Money. 

hiaqua

noun
  • Beads or shells, especially as placed on strings and valued as ornaments or a sort of currency. 

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