disastrous vs glad

disastrous

adj
  • Foreboding disaster; ill-omened. 

  • Of the nature of a disaster; calamitous. 

glad

adj
  • Pleased, happy, gratified. 

noun
  • A gladiolus (plant). 

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