Cairina moschata vs musk duck

Cairina moschata and musk duck both are nouns.

Word	Noun	Adjective	Verb	Adverb
Cairina moschata	Yes	No	No	No
musk duck	Yes	No	No	No

As nouns, Cairina moschata and musk duck are synonyms defined as:

Cairina moschata and musk duck: large crested wild duck of Central America and South America; widely domesticated

Other synonyms of Cairina moschata include muscovy duck.

Cairina moschata (noun)	musk duck (noun)
large crested wild duck of Central America and South America; widely domesticated	large crested wild duck of Central America and South America; widely domesticated