refulgent vs scintillating

refulgent

adj
  • Resplendent, or shining brightly and radiantly. 

  • As if giving off light or warmth. 

scintillating

adj
  • That scintillates with brief flashes of light; sparkling. 

  • Brilliantly or impressively clever, exciting, amusing or witty. 

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