marque vs specialty

marque

noun
  • A brand or make of a manufactured product, especially of a motor car (in contradistinction to a model). 

  • A ship commissioned for making captures. 

  • A license to pass the limits of a jurisdiction, or boundary of a country, for the purpose of making reprisals; a letter of marque. 

specialty

noun
  • A product that originates in and is characteristic of a place. 

  • A particular or peculiar case. 

  • An attribute or quality peculiar to a species. 

  • That in which one specializes; a chosen expertise or talent. 

  • A contract or obligation under seal; a contract by deed; a writing, under seal, given as security for a debt particularly specified. 

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