spiritual domain vs spiritual world

spiritual domain and spiritual world both are nouns.

Word	Noun	Adjective	Verb	Adverb
spiritual domain	Yes	No	No	No
spiritual world	Yes	No	No	No

As nouns, spiritual domain and spiritual world are synonyms defined as:

spiritual domain and spiritual world: a belief that there is a realm controlled by a divine spirit

Other synonyms of spiritual domain include unseen.

spiritual domain (noun)	spiritual world (noun)
a belief that there is a realm controlled by a divine spirit	a belief that there is a realm controlled by a divine spirit