blustery vs unthreatening

blustery

adj
  • Pompous or arrogant, especially in one's speech; given to outbursts. 

  • Blowing in loud and abrupt bursts. 

  • Accompanied by strong wind. 

unthreatening

adj
  • Not threatening 

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