Oscar vs Academy Award

Oscar and Academy Award both are nouns.

Word	Noun	Adjective	Verb	Adverb
Oscar	Yes	No	No	No
Academy Award	Yes	No	No	No

As nouns, Oscar and Academy Award are synonyms defined as:

Oscar and Academy Award: an annual award by the Academy of Motion Picture Arts and Sciences for achievements in motion picture production and performance

Oscar (noun)	Academy Award (noun)
an annual award by the Academy of Motion Picture Arts and Sciences for achievements in motion picture production and performance	an annual award by the Academy of Motion Picture Arts and Sciences for achievements in motion picture production and performance