bugloss vs oxtongue

bugloss

noun
  • Any of several plants in the borage family, Boraginaceae. 

oxtongue

noun
  • A flowering plant of the genus Picris, especially Picris echioides (bristly oxtongue). 

  • A flowering plant of the genus Anchusa, especially Anchusa officinalis (true alkanet). 

  • Beef tongue (a foodstuff). 

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