accusative case vs objective case

accusative case and objective case both are nouns.

Word	Noun	Adjective	Verb	Adverb
accusative case	Yes	No	No	No
objective case	Yes	No	No	No

As nouns, accusative case and objective case are synonyms defined as:

accusative case and objective case: the case of nouns serving as the direct object of a verb

Other synonyms of accusative case include accusative.

accusative case (noun)	objective case (noun)
the case of nouns serving as the direct object of a verb	the case of nouns serving as the direct object of a verb