agonizing vs severe

agonizing

adj

  • Causing physical or mental agony. 

noun

  • The act of one who agonizes. 

severe

adj

  • Very bad or intense. 

  • Sober, plain in appearance, austere. 

  • Strict or harsh. 

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