nonhostile vs nonplussed

nonhostile

adj
  • Not hostile; free of hostility 

nonplussed

adj
  • Unaffected, unfazed; unimpressed. 

  • Unsure how to act or respond; bewildered, perplexed. 

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