bird dog vs sponsor

bird dog

noun
  • A person who seeks out real estate investment opportunities in exchange for a fee. 

  • A dog, especially a pointer, used in shooting to retrieve the dead birds. 

  • A tout. 

  • A person who tries to steal someone else's romantic partner 

  • A radar detector (for detecting police speed traps). 

  • A hyperextension exercise performed lying on the knees, with one arm and the opposite leg lifted. 

verb
  • A multiservice tactical brevity code requesting configuration of sensors. 

  • To seek out. 

  • To watch closely. 

sponsor

noun
  • One that pays all or part of the cost of an event, a publication, or a media program, usually in exchange for advertising time. 

  • A person or organisation with some sort of responsibility for another person or organisation, especially where the responsibility has a religious, legal, or financial aspect. 

  • A senior member of a twelve step or similar program assigned to a guide a new initiate and form a partnership with him. 

verb
  • To be a sponsor for. 

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