embroil vs entangle

embroil

verb
  • To draw into a situation; to cause to be involved. 

  • To implicate in confusion; to complicate; to jumble. 

entangle

verb
  • To involve in difficulties or embarrassments; to embarrass, puzzle, or distract by adverse or perplexing circumstances, interests, demands, etc.; to hamper; to bewilder. 

  • To ensnare. 

  • To tangle up; to twist or interweave in such a manner as not to be easily separated. 

  • To involve in such complications as to render extrication difficult. 

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