balmy vs unthreatening

balmy

adj
  • Producing balm. 

  • Soothing or fragrant. 

  • Foolish; slightly crazy or mad; eccentric. 

  • Of weather, mild and pleasant. 

unthreatening

adj
  • Not threatening 

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