blockbuster vs epic

blockbuster

noun
  • Something, especially an event or a film, book or other creative work, that is intended to achieve high sales (perhaps indicated by large budgets or high advertising spending) or that is conceived on a large or epic scale 

  • A large firework of the firecracker type; an M-80. 

  • Anything very large or powerful; a whopper. 

  • One who engages in blockbusting (technique encouraging people to sell property). 

  • A high-explosive bomb used for the purposes of demolishing extensive areas, such as a city block. 

  • Something, such as a film or book, that sustains exceptional and widespread popularity and achieves enormous sales, as opposed to a box office bomb. 

epic

noun
  • A series of events considered appropriate to an epic. 

  • In software development, a large or extended user story. 

  • An extended narrative poem in elevated or dignified language, celebrating the feats of a deity, demigod (heroic epic), other legend or traditional hero. 

adj
  • Momentously heroic; grand in scale or character 

  • Of or relating to an epic. 

  • That is an epimorphism. 

  • Extending beyond the usual or ordinary. 

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