Bucket vs Tonto

Bucket

name

  • A nickname for Pawtucket, Rhode Island. 

Tonto

name

  • The Native American sidekick of the Lone Ranger. 

  • A member of the Tonto Apaches. 

noun

  • A Native American who accepts a subservient position to a white person. 

  • A sidekick. 

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