intertwined vs linked

intertwined

adj
  • Inextricably related or relevant. 

  • Twined or twisted together; entwined. 

linked

adj
  • connected, either with links, or as if with links 

  • having links (between modules, records etc) 

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