Brobdingnagian vs pyramidal

Brobdingnagian

adj
  • Of or pertaining to Brobdingnag. 

  • Enormous, huge, far larger than is customary for such a thing. 

noun
  • A creature from Brobdingnag. 

  • A giant. 

pyramidal

adj
  • Tetragonal. 

  • Pyramid-shaped. 

noun
  • One of the carpal bones. 

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