nirvana vs Eden

nirvana and Eden both are nouns.

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

As nouns, nirvana and Eden are synonyms defined as:

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

nirvana (noun)	Eden (noun)
any place of complete bliss and delight and peace	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)
(Hinduism and Buddhism) the beatitude that transcends the cycle of reincarnation; characterized by the extinction of desire and suffering and individual consciousness	any place of complete bliss and delight and peace