frijol vs red bean

frijol

noun
  • Any cultivated bean of the genus Phaseolus, especially the black seed of a variety of Phaseolus vulgaris. 

  • The bean-like seed of any of several related plants, such as the cowpea, used as food. 

red bean

noun
  • Any of various red varieties of the common bean (Phaseolus vulgaris), including the kidney bean, Honduran red bean, and Salvadoran red bean. 

  • The azuki bean (Vigna angularis), most common in East Asia. 

  • The rice bean (Vigna umbellata). 

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