mulberry vs ume

mulberry

noun
  • The fruit of this tree. 

  • Any of several trees, of the genus Morus, having edible fruits. 

  • A dark purple colour tinted with red. 

adj
  • Of a dark purple color tinted with red. 

ume

noun
  • Japanese apricot, a species of Asian plum, Prunus mume. 

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