MUFFIN vs Muffin

MUFFIN

verb

  • To transfer files between 13-sector and 16-sector Apple ][ diskettes, as with MUFFIN (Move Utility For Files In NewDOS.) 

Muffin

name

  • A surname. 

  • A female given name. 

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