dead end vs roadside

dead end

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

  • A position that offers no hope of progress. 

  • A split end in the hair. 

roadside

noun
  • The area on either side of a road. 

adj
  • Located beside a road. 

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