Puritan vs muni

Puritan

noun
  • A member of a particular Protestant religious sect advocating greater purity and piety. 

muni

noun
  • The municipal government / municipality 

  • A municipal bond. 

  • A facility operated by a municipal government, such as a golf course or train line. 

  • A holy man; a sage or ascetic. 

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