Anser cygnoides vs goose

Anser cygnoides and goose both are nouns.

Word	Noun	Adjective	Verb	Adverb
Anser cygnoides	Yes	No	No	No
goose	Yes	No	Yes	No

As nouns, goose is a hypernym of Anser cygnoides; that is, goose is a word with a broader meaning than Anser cygnoides:

Anser cygnoides: very large wild goose of northeast Asia; interbreeds freely with the greylag
goose: web-footed long-necked typically gregarious migratory aquatic birds usually larger and less aquatic than ducks

Anser cygnoides (noun)	goose (noun)
very large wild goose of northeast Asia; interbreeds freely with the greylag	web-footed long-necked typically gregarious migratory aquatic birds usually larger and less aquatic than ducks
	flesh of a goose (domestic or wild)
	a man who is a stupid incompetent fool