brown trout vs sepia

brown trout

noun
  • A species of nonmigratory freshwater trout, Salmo trutta, with dark spotted skin, native to Europe and Asia. 

sepia

noun
  • A dark brown pigment made from the secretions of the cuttlefish. 

  • A sepia-coloured drawing or photograph. 

  • A dark, slightly reddish, brown colour. 

adj
  • Of a dark reddish-brown colour. 

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