latitudinarian vs undogmatic

latitudinarian is a noun but undogmatic is not a noun.

Word	Noun	Adjective	Verb	Adverb
latitudinarian	Yes	Yes	No	No
undogmatic	No	Yes	No	No

As adjectives, latitudinarian and undogmatic are synonyms defined as:

latitudinarian and undogmatic: unwilling to accept authority or dogma (especially in religion)

Other synonyms of latitudinarian include free-thinking, undogmatical.

latitudinarian (noun)	undogmatic (noun)
a person who is broad-minded and tolerant (especially in standards of religious belief and conduct)

latitudinarian (adjective)	undogmatic (adjective)
unwilling to accept authority or dogma (especially in religion)	unwilling to accept authority or dogma (especially in religion)