estrange vs make unfriendly

estrange

verb
  • To remove from an accustomed place or set of associations. 

  • To cause to feel less close or friendly; alienate. To cease contact with (particularly of a family member or spouse, especially in form estranged). 

make unfriendly

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