shah vs sixpence

shah

noun
  • A Ukrainian monetary unit. 

  • A king of Persia or Iran. 

  • A supreme ruler in some Middle Eastern or South Asian nations. 

sixpence

noun
  • A former British coin worth sixpence, first minted in 1551. 

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