off-ramp vs turnoff

off-ramp

noun
  • A segment of roadway that directs vehicular traffic from a freeway onto local roads. 

  • An exit strategy. 

turnoff

noun
  • A road or path that branches off from a main one. 

  • A distasteful or uninteresting person or thing. 

How often have the words off-ramp and turnoff occurred in a corpus of books? (source: Google Ngram Viewer )