cusk vs Lota lota

cusk and Lota lota both are nouns.

Word	Noun	Adjective	Verb	Adverb
cusk	Yes	No	No	No
Lota lota	Yes	No	No	No

As nouns, cusk and Lota lota are synonyms defined as:

cusk and Lota lota: elongate freshwater cod of northern Europe and Asia and North America having barbels around its mouth

Other synonyms of cusk include burbot, eelpout, ling.

cusk (noun)	Lota lota (noun)
large edible marine fish of northern coastal waters; related to cod	elongate freshwater cod of northern Europe and Asia and North America having barbels around its mouth
elongate freshwater cod of northern Europe and Asia and North America having barbels around its mouth
the lean flesh of a cod-like fish of North Atlantic waters