awkwardness vs banana skin

awkwardness

noun
  • The quality of an embarrassing situation. 

  • The state or quality of being awkward; clumsiness; unskillfulness. 

banana skin

noun
  • A cause of difficulty, or potential embarrassment. 

  • The outer skin of a banana, especially once removed from the rest of the banana, which may be slippery if stepped on. 

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