Equus asinus vs domestic ass

Equus asinus and domestic ass both are nouns.

Word	Noun	Adjective	Verb	Adverb
Equus asinus	Yes	No	No	No
domestic ass	Yes	No	No	No

As nouns, Equus asinus and domestic ass are synonyms defined as:

Equus asinus and domestic ass: domestic beast of burden descended from the African wild ass; patient but stubborn

Other synonyms of Equus asinus include donkey.

Equus asinus (noun)	domestic ass (noun)
domestic beast of burden descended from the African wild ass; patient but stubborn	domestic beast of burden descended from the African wild ass; patient but stubborn