namaycush vs tuladi

namaycush

noun
  • The togue: a large North American lake trout, Salvelinus namaycush, usually spotted with red. 

tuladi

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

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