Constable vs Marshal

Constable

name
  • An English surname originating as an occupation from Old French conestable (“constable”). 

  • A town in Franklin County, New York; named for landowner William Constable. 

  • John Constable, English painter. 

noun
  • A painting by John Constable. 

Marshal

name
  • An English and Scottish status surname from Middle English for someone who was in charge of the horses of a royal household, or an occupational surname for someone who looked after horses, or was responsible for the custody of prisoners. 

  • A male given name transferred from the surname, of 19th century and later usage. 

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