eye-opener vs hindrance

eye-opener

noun
  • A startling or shocking revelation. 

  • A strong alcoholic beverage, especially one consumed in the morning. 

  • Something that causes the eyes to open, or that opens the eyes. 

  • An attractive woman. 

  • Something that provides a sudden insight, or makes something clear that was previously mysterious. 

hindrance

noun
  • Something which hinders: something that holds back or causes problems with something else. 

  • The state or act of hindering something 

How often have the words eye-opener and hindrance occurred in a corpus of books? (source: Google Ngram Viewer )