sockeye vs red salmon

sockeye and red salmon both are nouns.

Word	Noun	Adjective	Verb	Adverb
sockeye	Yes	No	No	No
red salmon	Yes	No	No	No

As nouns, sockeye and red salmon are synonyms defined as:

sockeye and red salmon: small salmon with red flesh; found in rivers and tributaries of the northern Pacific and valued as food; adults die after spawning

Other synonyms of sockeye include blueback salmon, Oncorhynchus nerka, sockeye salmon.

As nouns, sockeye and red salmon are synonyms defined as:

sockeye and red salmon: fatty red flesh of salmon of Pacific coast and rivers

Other synonyms of sockeye include sockeye salmon.

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