Eden vs nirvana

Eden and nirvana both are nouns.

Word	Noun	Adjective	Verb	Adverb
Eden	Yes	No	No	No
nirvana	Yes	No	No	No

As nouns, Eden and nirvana are synonyms defined as:

Other synonyms of Eden include heaven, paradise, promised land, Shangri-la.

Eden (noun)	nirvana (noun)
a beautiful garden where Adam and Eve were placed at the Creation; when they disobeyed and ate the forbidden fruit from the tree of knowledge of good and evil they were driven from their paradise (the fall of man)	any place of complete bliss and delight and peace
any place of complete bliss and delight and peace	(Hinduism and Buddhism) the beatitude that transcends the cycle of reincarnation; characterized by the extinction of desire and suffering and individual consciousness