despair vs look forward to

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. 

look forward to

verb
  • To anticipate, expect, or wait for, especially with a feeling of approval or pleasure. To be excited or eager to. 

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