extended vs long-drawn

extended

adj
  • Lasting longer; protracted. 

  • Wider than usual. 

  • Longer in length or extension; elongated. 

  • Having a large scope or range; extensive. 

  • Stretched out or pulled out; expanded. 

long-drawn

adj
  • long-drawn-out 

How often have the words extended and long-drawn occurred in a corpus of books? (source: Google Ngram Viewer )