dreamworld vs never-never land

dreamworld and never-never land both are nouns.

Word	Noun	Adjective	Verb	Adverb
dreamworld	Yes	No	No	No
never-never land	Yes	No	No	No

As nouns, dreamworld and never-never land are synonyms defined as:

dreamworld and never-never land: a pleasing country existing only in dreams or imagination

Other synonyms of dreamworld include dreamland.

dreamworld (noun)	never-never land (noun)
a pleasing country existing only in dreams or imagination	a pleasing country existing only in dreams or imagination