beginning of the end vs warning

beginning of the end

noun

  • The point when something starts to end or become worse. 

warning

noun

  • The action of the verb warn; an instance of warning someone. 

  • Something spoken or written that is intended to warn. 

intj

  • Used to warn of danger in signs and notices. 

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