silver salmon vs salmon

silver salmon and salmon both are nouns.

Word	Noun	Adjective	Verb	Adverb
silver salmon	Yes	No	No	No
salmon	Yes	Yes	No	No

As nouns, salmon is a hypernym of silver salmon; that is, salmon is a word with a broader meaning than silver salmon:

silver salmon: small salmon of northern Pacific coasts and the Great Lakes
salmon: any of various large food and game fishes of northern waters; usually migrate from salt to fresh water to spawn

As nouns, salmon is a hypernym of silver salmon; that is, salmon is a word with a broader meaning than silver salmon:

silver salmon: fatty pinkish flesh of small salmon caught in the Pacific and Great Lakes
salmon: flesh of any of various marine or freshwater fish of the family Salmonidae

silver salmon (noun)	salmon (noun)
small salmon of northern Pacific coasts and the Great Lakes	any of various large food and game fishes of northern waters; usually migrate from salt to fresh water to spawn
fatty pinkish flesh of small salmon caught in the Pacific and Great Lakes	a pale pinkish orange color
	flesh of any of various marine or freshwater fish of the family Salmonidae

silver salmon (adjective)	salmon (adjective)
	of orange tinged with pink