argent vs silverish

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. 

silverish

adj
  • Somewhat silver in colour. 

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