dread vs phobia

dread

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

  • A Rastafarian. 

  • Somebody or something dreaded. 

  • Reverential or respectful fear; awe. 

verb
  • To be in dread, or great fear. 

  • To style (the hair) into dreadlocks. 

  • To fear greatly. 

  • To anticipate with fear. 

adj
  • Terrible; greatly feared; dreaded. 

phobia

noun
  • An irrational, abnormal, or obsessive fear (of something). 

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