Clarksville vs Rockville

Clarksville

name
  • A community in Nova Scotia. 

  • A town in Virginia; named for founder Clarke Royster. 

  • An unincorporated community in Idaho. 

  • A borough of Pennsylvania. 

  • A city, the county seat of Montgomery County, Tennessee; named for George Rodgers Clark. 

  • A hamlet in New Scotland, New York; named for early settler Adam A. Clark. 

  • A town in Allegheny County, New York; named for Holland Land Company agent S. N. Clark. 

  • A city, the county seat of Red River County, Texas; named for founder James Clark. 

  • A city in Iowa. 

  • A town in Clark County, Indiana; named for explorer William Clark. 

  • A village in Clinton County, Ohio; named for Sarah Clark Hadley, an early settler. 

  • An unincorporated community in Delaware. 

  • A city, the county seat of Johnson County, Arkansas. 

  • An unincorporated community in Hamilton County, Indiana; named for George Rogers Clark. 

  • An unincorporated community in Mercer County, New Jersey. 

  • A city in Missouri, named for William Clark. 

  • A village in Michigan. 

  • A town in New Hampshire; named for the Clark family, who cleared the land for settlement. 

  • An unincorporated community in Oklahoma. 

  • An unincorporated community in Hunterdon County, New Jersey. 

  • An unincorporated community in Maryland; named for William Clark. 

  • An unincorporated community in Illinois. 

  • A ghost town in Defiance County, Ohio; named for proprietor Elisha Clark. 

  • An unincorporated community in California. 

  • An unincorporated community in Perry County, Ohio; named for founder Daniel Clark. 

Rockville

name
  • A community in Nova Scotia. 

  • A census-designated place in Alabama. 

  • A town, the county seat of Parke County, Indiana. 

  • A village in Nebraska. 

  • An unincorporated community in Ohio; named for nearby quarries. 

  • A city in Minnesota; named for granite rock formations on nearby streams. 

  • A suburb of Toowoomba, Queensland. 

  • A city in Missouri; named for local white sandstone quarries. 

  • A city, the county seat of Montgomery County, Maryland; named for nearby Rock Creek. 

  • A census-designated place in Connecticut. 

  • A village in Rhode Island. 

  • An unincorporated community in Iowa. 

  • An unincorporated community in Pennsylvania. 

  • A town in South Carolina. 

  • An unincorporated community in West Virginia; named for the area's rocky terrain. 

  • An unincorporated community in Grant County, Wisconsin. 

  • An unincorporated community in Manitowoc County, Wisconsin. 

  • An unincorporated community in Virginia; named for postmaster William Rock. 

  • An unincorporated community in California. 

  • An unincorporated community in Georgia, United States. 

  • A town in Utah. 

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