crowder pea vs string bean

crowder pea

noun
  • A type of cowpea, Vigna unguiculata, closely related to the black-eyed pea, but without the characteristic black spot. 

  • The black-eyed pea. 

string bean

noun
  • A yardlong bean (Vigna unguiculata subsp. sesquipedalis) 

  • A hyacinth bean (Lablab purpureus) 

  • Any long, slender green bean. 

  • A tall and thin person. 

  • An immature runner bean (Phaseolus coccineus) 

  • A common bean (Phaseolus vulgaris) 

How often have the words crowder pea and string bean occurred in a corpus of books? (source: Google Ngram Viewer )