jewie vs sablefish

jewie

noun
  • A fish, Argyrosomus hololepidotus; a type of mulloway. 

sablefish

noun
  • A dark-coloured marine fish, Anoplopoma fimbria, of North American Pacific waters. 

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