mysticism vs religion

mysticism and religion both are nouns.

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

As nouns, religion is a hypernym of mysticism; that is, religion is a word with a broader meaning than mysticism:

mysticism: a religion based on mystical communion with an ultimate reality
religion: a strong belief in a supernatural power or powers that control human destiny

Other hypernyms of mysticism include faith, religious belief.

mysticism (noun)	religion (noun)
a religion based on mystical communion with an ultimate reality	a strong belief in a supernatural power or powers that control human destiny
obscure or irrational thought	an institution to express belief in a divine power