mysticism vs quietism

mysticism and quietism both are nouns.

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

As nouns, quietism is a hyponym of mysticism; that is, quietism is a word with a more specific, narrower meaning than mysticism:

mysticism: a religion based on mystical communion with an ultimate reality
quietism: a form of religious mysticism requiring withdrawal from all human effort and passive contemplation of God

Other hyponyms of mysticism include Sufism.

mysticism (noun)	quietism (noun)
a religion based on mystical communion with an ultimate reality	a form of religious mysticism requiring withdrawal from all human effort and passive contemplation of God
obscure or irrational thought