Mikado vs Monarch

Mikado

name
  • A hamlet in Saskatchewan, Canada 

  • The steam locomotive 2-8-2 wheel arrangement. 

Monarch

name
  • A hamlet in Lethbridge County, Alberta. 

  • An unincorporated community in Cascade County, Montana. 

  • An unincorporated community in Kanawha County, West Virginia. 

  • An unincorporated community near Monarch Pass, Chaffee County, Colorado. 

  • An unincorporated community in Sheridan County, Wyoming. 

  • An unincorporated community in Lee County, Virginia. 

  • Two other peaks with the affix "mountain": Monarch Mountain (Alberta) and Monarch Mountain (British Columbia). 

  • A surname. 

  • The Monarch, a mountain in British Columbia. 

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