Crow vs Emerald

Crow

name

  • The Siouan language of this tribe. 

  • A surname. 

noun

  • A member of a Native American tribe of southern Montana. 

Emerald

name

  • A female given name from English. 

  • The Rural Municipality of Emerald No. 277, a rural municipality in eastern Saskatchewan, Canada. 

  • A town in Queensland, Australia. 

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