speckled trout vs brook trout

speckled trout and brook trout both are nouns.

Word	Noun	Adjective	Verb	Adverb
speckled trout	Yes	No	No	No
brook trout	Yes	No	No	No

As nouns, speckled trout and brook trout are synonyms defined as:

speckled trout and brook trout: North American freshwater trout; introduced in Europe

Other synonyms of speckled trout include Salvelinus fontinalis.

As nouns, speckled trout and brook trout are synonyms defined as:

speckled trout (noun)	brook trout (noun)
North American freshwater trout; introduced in Europe	North American freshwater trout; introduced in Europe
a delicious freshwater food fish	a delicious freshwater food fish