Pomolobus pseudoharengus vs Alosa pseudoharengus

Pomolobus pseudoharengus and Alosa pseudoharengus both are nouns.

Word	Noun	Adjective	Verb	Adverb
Pomolobus pseudoharengus	Yes	No	No	No
Alosa pseudoharengus	Yes	No	No	No

As nouns, Pomolobus pseudoharengus and Alosa pseudoharengus are synonyms defined as:

Pomolobus pseudoharengus and Alosa pseudoharengus: shad-like food fish that runs rivers to spawn; often salted or smoked; sometimes placed in genus Pomolobus

Other synonyms of Pomolobus pseudoharengus include alewife.

Pomolobus pseudoharengus (noun)	Alosa pseudoharengus (noun)
shad-like food fish that runs rivers to spawn; often salted or smoked; sometimes placed in genus Pomolobus	shad-like food fish that runs rivers to spawn; often salted or smoked; sometimes placed in genus Pomolobus