Scot vs Scotty

Scot

name

  • A male given name transferred from the surname, of rare usage, variant of Scott. 

noun

  • A person born in or native to Scotland. 

Scotty

name

  • A diminutive of the male given name Scott. 

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