papistical vs Romanist

papistical and Romanist both are adjectives.

Word	Noun	Adjective	Verb	Adverb
papistical	No	Yes	No	No
Romanist	No	Yes	No	No

As adjectives, papistical and Romanist are synonyms defined as:

Other synonyms of papistical include papist, papistic, popish, R.C., Roman, Roman Catholic, romish.

papistical (adjective)	Romanist (adjective)
of or relating to or supporting Romanism	of or relating to or supporting Romanism