argent vs effulgent

argent

adj
  • Of silver or silver-coloured. 

  • of white or silver tincture on a coat of arms. 

noun
  • The white or silver tincture on a coat of arms. 

  • A moth of the genus Argyresthia. 

effulgent

adj
  • Radiant, resplendent, shining. 

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