rajah vs shah

rajah

noun
  • a Hindu prince or ruler in India. 

  • Any of various nymphalid butterflies of the genus Charaxes. 

shah

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

  • A king of Persia or Iran. 

  • A Ukrainian monetary unit. 

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