comfort vs uncertainty

comfort

noun
  • A consolation; something relieving suffering or worry. 

  • A cause of relief or satisfaction. 

  • Something that offers comfort. 

  • Contentment, ease. 

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

  • To make comfortable. 

uncertainty

noun
  • Doubt; the condition of being uncertain or without conviction. 

  • A parameter that measures the dispersion of a range of measured values. 

  • Something uncertain or ambiguous. 

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