Crackpot vs Drum

Crackpot

name
  • A village in Swaledale, North Yorkshire, England 

Drum

name
  • A village in County Monaghan, Ireland. 

  • A surname. 

  • A mountain in Conwy county borough, Wales (OS grid ref SH7069). 

  • A settlement (Mains of Drum) in Aberdeenshire council area, Scotland, near Drum Castle (OS grid ref NO8099). 

  • A civil parish and townland in County Roscommon, Ireland. 

  • An unincorporated community in Bollinger County, Missouri, USA, named after the Drum family. 

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