despair vs suppose

despair

verb
  • To be hopeless; to have no hope; to give up all hope or expectation. 

  • To cause to despair. 

noun
  • That which causes despair. 

  • Loss of hope; utter hopelessness; complete despondency. 

  • That which is despaired of. 

suppose

verb
  • To imagine; to believe; to receive as true. 

  • To require to exist or to be true; to imply by the laws of thought or of nature. 

  • To put by fraud in the place of another. 

  • To theorize or hypothesize. 

  • To take for granted; to conclude, with less than absolute supporting data; to believe. 

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