purgatory vs purgatorial

purgatory is a noun but purgatorial is not a noun.

Word	Noun	Adjective	Verb	Adverb
purgatory	Yes	No	No	No
purgatorial	No	Yes	No	No

purgatory (noun)	purgatorial (noun)
(theology) in Roman Catholic theology the place where those who have died in a state of grace undergo limited torment to expiate their sins
a temporary condition of torment or suffering

purgatory (adjective)	purgatorial (adjective)
	of or resembling purgatory
	serving to purge or rid of sin