Boo vs Chop

Boo

name
  • A community in Nacka, Stockholm, central Sweden. 

  • The Boko language. 

Chop

name
  • A city in Uzhhorod Raion, Zakarpattia Oblast, Ukraine 

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