situation vs purgatory

situation and purgatory both are nouns.

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

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

situation (noun)	purgatory (noun)
a job in an organization	(theology) in Roman Catholic theology the place where those who have died in a state of grace undergo limited torment to expiate their sins
physical position in relation to the surroundings	a temporary condition of torment or suffering
the general state of things; the combination of circumstances at a given time
a condition or position in which you find yourself
a complex or critical or unusual difficulty