banana skin vs embarrassment

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. 

embarrassment

noun
  • A state of discomfort arising from bashfulness or consciousness of having violated a social rule; humiliation. 

  • A state of confusion; hesitation; uncertainty 

  • Impairment of function due to disease: respiratory embarrassment. 

  • A large collection of good or valuable things, especially one that exceeds requirements. 

  • A person or thing which is the cause of humiliation to another. 

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