Carbon vs Coal

Carbon

name
  • An unincorporated community and coal town in Westmoreland County, Pennsylvania. 

  • A surname. 

  • A minor city and coal town in Douglas Township, Adams County, Iowa. 

  • A village in Kneehill County, Alberta, Canada. 

  • A town in Van Buren Township, Clay County, Indiana. 

  • A town in Eastland County, Texas. 

Coal

name
  • An unincorporated community and coal town in Kanawha County, West Virginia, United States. 

  • Four townships in the United States, in Missouri, Ohio (2), and Pennsylvania, listed under Coal Township. 

  • An unincorporated community in Henry County, Missouri, United States, named after early settler Stephen Coale. 

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