pietism vs religionism

pietism and religionism both are nouns.

Word	Noun	Adjective	Verb	Adverb
pietism	Yes	No	No	No
religionism	Yes	No	No	No

As nouns, pietism and religionism are synonyms defined as:

pietism and religionism: exaggerated or affected piety and religious zeal

Other synonyms of pietism include religiosity, religiousism.

pietism (noun)	religionism (noun)
exaggerated or affected piety and religious zeal	exaggerated or affected piety and religious zeal
	exaggerated religious zealotry