burbot vs codfish

burbot and codfish both are nouns.

Word	Noun	Adjective	Verb	Adverb
burbot	Yes	No	No	No
codfish	Yes	No	No	No

As nouns, codfish is a hypernym of burbot; that is, codfish is a word with a broader meaning than burbot:

burbot: elongate freshwater cod of northern Europe and Asia and North America having barbels around its mouth
codfish: major food fish of Arctic and cold-temperate waters

Other hypernyms of burbot include cod.

burbot (noun)	codfish (noun)
elongate freshwater cod of northern Europe and Asia and North America having barbels around its mouth	major food fish of Arctic and cold-temperate waters
	lean white flesh of important North Atlantic food fish; usually baked or poached