promised land vs Eden

promised land and Eden both are nouns.

Word	Noun	Adjective	Verb	Adverb
promised land	Yes	No	No	No
Eden	Yes	No	No	No

As nouns, promised land and Eden are synonyms defined as:

promised land and Eden: any place of complete bliss and delight and peace

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

promised land (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)
	any place of complete bliss and delight and peace