Crackpot vs Madden

Crackpot

name
  • A village in Swaledale, North Yorkshire, England 

Madden

name
  • A small village in County Armagh, Northern Ireland. 

  • A hamlet in Rocky View County, Alberta, Canada. 

  • An unincorporated community in Leake County, Mississippi, United States. 

  • A surname from Irish. 

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