dead end vs full stop

dead end

noun
  • A position that offers no hope of progress. 

  • A split end in the hair. 

  • A street or path that goes nowhere or is blocked on one end. 

full stop

noun
  • A decisive end to something. 

  • The punctuation mark "." (indicating the end of a sentence or marking an abbreviation). 

intj
  • Used to emphasize the end of an important statement or point when speaking to show something is not up for discussion or debate. 

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