fantasy world vs phantasy world

fantasy world and phantasy world both are nouns.

Word	Noun	Adjective	Verb	Adverb
fantasy world	Yes	No	No	No
phantasy world	Yes	No	No	No

As nouns, fantasy world and phantasy world are synonyms defined as:

fantasy world and phantasy world: something existing solely in the imagination (but often mistaken for reality)

Other synonyms of fantasy world include fairyland.

fantasy world (noun)	phantasy world (noun)
something existing solely in the imagination (but often mistaken for reality)	something existing solely in the imagination (but often mistaken for reality)