mysticism vs religious mysticism

mysticism and religious mysticism both are nouns.

Word	Noun	Adjective	Verb	Adverb
mysticism	Yes	No	No	No
religious mysticism	Yes	No	No	No

As nouns, mysticism and religious mysticism are synonyms defined as:

mysticism and religious mysticism: a religion based on mystical communion with an ultimate reality

mysticism (noun)	religious mysticism (noun)
a religion based on mystical communion with an ultimate reality	a religion based on mystical communion with an ultimate reality
obscure or irrational thought