bard vs vocalist

bard

noun
  • A professional poet and singer, like among the ancient Celts, whose occupation was to compose and sing verses in honor of the heroic achievements of princes and brave men. 

  • A piece of defensive (or, sometimes, ornamental) armor for a horse's neck, breast, and flanks; a barb. (Often in the plural.) 

  • A poet. 

  • Defensive armor formerly worn by a man at arms. 

  • A thin slice of fat bacon used to cover any meat or game. 

  • The exterior covering of the trunk and branches of a tree; the rind. 

  • Specifically, Peruvian bark. 

verb
  • To cover a horse in defensive armor. 

  • To cover (meat or game) with a thin slice of fat bacon. 

vocalist

noun
  • A singer; a person who likes to sing. 

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