lake herring vs whitefish

lake herring and whitefish both are nouns.

Word	Noun	Adjective	Verb	Adverb
lake herring	Yes	No	No	No
whitefish	Yes	No	No	No

As nouns, whitefish is a hypernym of lake herring; that is, whitefish is a word with a broader meaning than lake herring:

lake herring: important food fish of cold deep lakes of North America
whitefish: silvery herring-like freshwater food fish of cold lakes of the Northern Hemisphere

As nouns, whitefish is a hypernym of lake herring; that is, whitefish is a word with a broader meaning than lake herring:

lake herring: cold-water fish caught in Lake Superior and northward
whitefish: flesh of salmon-like or trout-like cold-water fish of cold lakes of the Northern Hemisphere

lake herring (noun)	whitefish (noun)
important food fish of cold deep lakes of North America	silvery herring-like freshwater food fish of cold lakes of the Northern Hemisphere
cold-water fish caught in Lake Superior and northward	flesh of salmon-like or trout-like cold-water fish of cold lakes of the Northern Hemisphere
	any market fish--edible saltwater fish or shellfish--except herring