congressperson vs republican

congressperson

noun
  • A member of congress 

  • A member of the House of Representatives 

republican

noun
  • Someone who favors a republic as a form of government. 

  • A bird of a kind that builds many nests together: the American cliff swallow, or the South African weaver bird. 

adj
  • Advocating or supporting a republic as a form of government, advocating or supporting republicanism. 

  • Of or belonging to a republic. 

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