happy vs perilous

happy

verb
  • Often followed by up: to become happy; to brighten up, to cheer up. 

  • Often followed by up: to make happy; to brighten, to cheer, to enliven. 

adj
  • Favoring or inclined to use. 

  • Dexterous, ready, skilful. 

  • Having a feeling arising from a consciousness of well-being or of enjoyment; enjoying good of any kind, such as comfort, peace, or tranquillity; blissful, contented, joyous. 

  • Content, willing, satisfied (with or to do something); having no objection (to something). 

  • Appropriate, apt, felicitous. 

  • Experiencing the effect of favourable fortune; favored by fortune or luck; fortunate, lucky, propitious. 

  • Implying 'May you have a happy ~' or similar; used in phrases to wish someone happiness or good fortune at the time of a festival, celebration, or other event or activity. 

noun
  • A happy event, thing, person, etc. 

perilous

adj
  • Dangerous, full of peril. 

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