pea vs string bean

pea

noun
  • Any of several varieties of bean. 

  • The edible seed of various other pea plants. 

  • A ball travelling at high velocity. 

  • The edible seed of Pisum sativum; the green pea. 

  • A plant, Pisum sativum, member of the legume (Fabaceae) family. 

  • Money. 

  • Any plant of the family Fabaceae. 

  • Any of the small numbered balls used in a pea shake game. 

string bean

noun
  • A common bean (Phaseolus vulgaris) 

  • A hyacinth bean (Lablab purpureus) 

  • Any long, slender green bean. 

  • A tall and thin person. 

  • An immature runner bean (Phaseolus coccineus) 

  • A yardlong bean (Vigna unguiculata subsp. sesquipedalis) 

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