never-never land vs dreamland

never-never land and dreamland both are nouns.

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

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

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

Other synonyms of never-never land include dreamworld.

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