white perch vs silver perch

white perch and silver perch both are nouns.

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

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

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

Other synonyms of white perch include Morone americana.

white perch (noun)	silver 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