comfort vs perplexity

comfort

noun
  • Something that offers comfort. 

  • A cause of relief or satisfaction. 

  • A consolation; something relieving suffering or worry. 

  • Contentment, ease. 

verb
  • To relieve the distress or suffering of; to provide comfort to. 

  • To make comfortable. 

perplexity

noun
  • Something that perplexes. 

  • The state or quality of being perplexed; puzzled or confused. 

  • In information theory, a measurement of how well a probability distribution or model predicts a sample. 

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