common bean vs runner bean

common bean

noun
  • A bean of such a plant, varying in size, shape and especially color. 

  • An herbaceous annual plant (Phaseolus vulgaris), grown for its edible bean. 

runner bean

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

  • The pods, sliced, as a vegetable. 

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