black-eyed pea vs runner bean

black-eyed pea

noun
  • The edible seed of these plants. 

  • An African leguminous plant, of the species Vigna unguiculata, widely cultivated as food and forage, specifically Vigna unguiculata subsp. unguiculata. 

  • Any pale bean with a black spot. 

runner bean

noun
  • The pods, sliced, as a vegetable. 

  • A climbing plant, Phaseolus coccineus, having long bean pods. 

How often have the words black-eyed pea and runner bean occurred in a corpus of books? (source: Google Ngram Viewer )