stringency vs deficiency

stringency and deficiency both are nouns.

Word	Noun	Adjective	Verb	Adverb
stringency	Yes	No	No	No
deficiency	Yes	No	No	No

As nouns, deficiency is a hypernym of stringency; that is, deficiency is a word with a broader meaning than stringency:

stringency: a state occasioned by scarcity of money and a shortage of credit
deficiency: the state of needing something that is absent or unavailable

Other hypernyms of stringency include lack, want.

stringency (noun)	deficiency (noun)
conscientious attention to rules and details	lack of an adequate quantity or number
a state occasioned by scarcity of money and a shortage of credit	the state of needing something that is absent or unavailable