pauperism vs impoverishment

pauperism and impoverishment both are nouns.

Word	Noun	Adjective	Verb	Adverb
pauperism	Yes	No	No	No
impoverishment	Yes	No	No	No

As nouns, impoverishment is a hypernym of pauperism; that is, impoverishment is a word with a broader meaning than pauperism:

pauperism: a state of extreme poverty or destitution
impoverishment: the state of having little or no money and few or no material possessions

Other hypernyms of pauperism include poorness, poverty.

pauperism (noun)	impoverishment (noun)
a state of extreme poverty or destitution	the act of making someone poor
	the state of having little or no money and few or no material possessions