astronomic vs galactic

astronomic

adj
  • of very large or immense proportions; colossal 

  • pertaining or relating to astronomy 

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. 

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