donkey vs domestic ass

donkey and domestic ass both are nouns.

Word	Noun	Adjective	Verb	Adverb
donkey	Yes	No	No	No
domestic ass	Yes	No	No	No

As nouns, donkey and domestic ass are synonyms defined as:

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

Other synonyms of donkey include Equus asinus.

donkey (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
the symbol of the Democratic Party; introduced in cartoons by Thomas Nast in 1874