dread vs look forward to

dread

verb
  • To anticipate with fear. 

  • To be in dread, or great fear. 

  • To style (the hair) into dreadlocks. 

  • To fear greatly. 

noun
  • A Rastafarian. 

  • Great fear in view of impending evil; fearful apprehension of danger; anticipatory terror. 

  • Somebody or something dreaded. 

  • Reverential or respectful fear; awe. 

adj
  • Terrible; greatly feared; dreaded. 

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 dread and look forward to occurred in a corpus of books? (source: Google Ngram Viewer )