conflict-free vs nonhostile

conflict-free

adj
  • Not involving any serious disagreement or argument. 

  • Not being sold to finance fighting in areas of conflict. 

  • Without any conflict or interference with anything else. 

nonhostile

adj
  • Not hostile; free of hostility 

How often have the words conflict-free and nonhostile occurred in a corpus of books? (source: Google Ngram Viewer )