damson vs ume

damson

noun
  • A subspecies of plum tree, Prunus domestica subsp. insititia, native to Eurasia. 

  • The edible fruit of this tree. 

adj
  • The color of the fruit of this tree, a very deep purple. 

ume

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

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