galactic vs mammoth

galactic

adj
  • Enormous (in size or impact). 

  • Relating to a galaxy. 

  • Of or pertaining to milk, or the secretion of milk. 

  • Relating to the Milky Way galaxy. 

mammoth

adj
  • Comparable to a mammoth in its size; very large, huge, gigantic. 

noun
  • Something very large of its kind. 

  • Any species of the extinct genus Mammuthus, of large, usually hairy, elephant-like mammals with long curved tusks and an inclined back, which became extinct with the last retreat of ice age glaciers during the late Pleistocene period, and are known from fossils, frozen carcasses, and Paleolithic cave paintings found in North America and Eurasia. 

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