prodigality vs wastefulness

prodigality and wastefulness both are nouns.

Word	Noun	Adjective	Verb	Adverb
prodigality	Yes	No	No	No
wastefulness	Yes	No	No	No

As nouns, wastefulness is a hypernym of prodigality; that is, wastefulness is a word with a broader meaning than prodigality:

prodigality: the activity of excessive spending
wastefulness: useless or profitless activity; using or expending or consuming thoughtlessly or carelessly

Other hypernyms of prodigality include dissipation, waste.

prodigality (noun)	wastefulness (noun)
the activity of excessive spending	useless or profitless activity; using or expending or consuming thoughtlessly or carelessly
the trait of spending extravagantly	the trait of wasting resources