Chop vs Poo

Chop

name

  • A city in Uzhhorod Raion, Zakarpattia Oblast, Ukraine 

Poo

name

  • A small town in eastern Asturias, near Cabrales 

  • A small town in eastern Asturias, near Llanes 

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