killing vs laborious

killing

noun
  • A large amount of money. 

  • An instance of someone being killed. 

adj
  • That makes one ‘die’ with laughter; very funny. 

  • That literally deprives of life; lethal, deadly, fatal. 

laborious

adj
  • Mentally difficult; painstaking. 

  • Industrious. 

  • Requiring much physical effort; toilsome. 

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