Pollachius pollachius vs pollack

Pollachius pollachius and pollack both are nouns.

Word	Noun	Adjective	Verb	Adverb
Pollachius pollachius	Yes	No	No	No
pollack	Yes	No	No	No

As nouns, Pollachius pollachius and pollack are synonyms defined as:

Pollachius pollachius and pollack: important food and game fish of northern seas (especially the northern Atlantic); related to cod

Other synonyms of Pollachius pollachius include pollock.

Pollachius pollachius (noun)	pollack (noun)
important food and game fish of northern seas (especially the northern Atlantic); related to cod	important food and game fish of northern seas (especially the northern Atlantic); related to cod
	lean white flesh of North Atlantic fish; similar to codfish