argentine vs silver-grey

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). 

silver-grey

adj
  • Of a shiny pale grey colour. 

noun
  • A shiny pale grey colour. 

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