elephantic vs prodigious

elephantic

adj
  • gigantic; massive 

  • Of or relating to elephants 

  • Having elephantiasis 

prodigious

adj
  • Very big in size or quantity; colossal, gigantic, huge. 

  • Extraordinarily amazing or exciting. 

  • Freakish; monstrous. 

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