improvidence vs imprudence

improvidence and imprudence both are nouns.

Word	Noun	Adjective	Verb	Adverb
improvidence	Yes	No	No	No
imprudence	Yes	No	No	No

As nouns, imprudence is a hypernym of improvidence; that is, imprudence is a word with a broader meaning than improvidence:

improvidence: a lack of prudence and care by someone in the management of resources
imprudence: a lack of caution in practical affairs

improvidence (noun)	imprudence (noun)
a lack of prudence and care by someone in the management of resources	a lack of caution in practical affairs