illiberality vs stinginess

illiberality and stinginess both are nouns.

Word	Noun	Adjective	Verb	Adverb
illiberality	Yes	No	No	No
stinginess	Yes	No	No	No

As nouns, stinginess is a hypernym of illiberality; that is, stinginess is a word with a broader meaning than illiberality:

illiberality: a disposition not to be liberal (generous) with money
stinginess: a lack of generosity; a general unwillingness to part with money

illiberality (noun)	stinginess (noun)
a disposition not to be liberal (generous) with money	a lack of generosity; a general unwillingness to part with money