lake trout vs tuladi

lake trout

noun
  • A large species of trout found in lakes in North America, Salvelinus namaycush. 

  • Whiting fried in batter and served in a sandwich. 

tuladi

noun
  • A large lake trout, Salvelinus namaycush, found mainly in Canada and northern areas of the US. 

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