Leader vs Sultana

Leader

name
  • A locality in Adams County, Colorado, United States. 

  • A town in the Rural Municipality of Happyland No. 231, western Saskatchewan, Canada, originally named Prussia. 

  • A river in north Canterbury, New Zealand, which joins the (Canterbury) Waiau. 

  • A surname originating as an occupation for a person who led a horse and cart. 

Sultana

name
  • A census-designated place in Tulare County, California, United States. 

  • A surname. 

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