genus Oncorhynchus vs sockeye salmon

genus Oncorhynchus and sockeye salmon both are nouns.

Word	Noun	Adjective	Verb	Adverb
genus Oncorhynchus	Yes	No	No	No
sockeye salmon	Yes	No	No	No

genus Oncorhynchus (noun)	sockeye salmon (noun)
Pacific salmon including sockeye salmon, chinook salmon, chum salmon, coho salmon	small salmon with red flesh; found in rivers and tributaries of the northern Pacific and valued as food; adults die after spawning
	fatty red flesh of salmon of Pacific coast and rivers