argentine vs silverish

argentine

adj
  • Containing or resembling silver. 

noun
  • A siliceous variety of calcite, or lime carbonate, having a silvery-white, pearly lustre, and a waving or curved lamellar structure. 

  • White metal coated with silver. 

  • Any osmeriform fish of the genus Argentina, especially European argentine (Argentina sphyraena). 

silverish

adj
  • Somewhat silver in colour. 

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