silver perch vs white perch

silver perch and white perch both are nouns.

Word	Noun	Adjective	Verb	Adverb
silver perch	Yes	No	No	No
white perch	Yes	No	No	No

As nouns, silver perch and white perch are synonyms defined as:

silver perch and white perch: small silvery food and game fish of eastern United States streams

Other synonyms of silver perch include Morone americana.

silver perch (noun)	white perch (noun)
small silvery food and game fish of eastern United States streams	small silvery food and game fish of eastern United States streams
small silvery drumfish often mistaken for white perch; found along coasts of United States from New York to Mexico