stymie vs underwhelm

stymie

verb
  • To thwart or stump; to cause to fail or to leave hopelessly puzzled, confused, or stuck. 

  • To bring into the position of, or impede by, a stymie. 

noun
  • A situation where an opponent's ball is directly in the way of one's own ball and the hole, on the putting green (abolished 1952). 

  • An obstacle or obstruction. 

underwhelm

verb
  • To fail to impress; to perform disappointingly. 

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