bergylt vs rose fish

bergylt

noun
  • The rose fish, an edible red fish found in the North Atlantic, Sebastes norvegicus. 

  • The Ballan wrasse, Labrus bergylta another North Atlantic fish 

rose fish

noun
  • A large marine food fish, Sebastes norvegicus, that lives off the North Atlantic coasts of Europe and North America. 

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