prodigality vs extravagance

prodigality and extravagance both are nouns.

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

As nouns, prodigality and extravagance are synonyms defined as:

Other synonyms of prodigality include high life, highlife, lavishness.

As nouns, prodigality and extravagance are synonyms defined as:

Other synonyms of prodigality include profligacy.

prodigality (noun)	extravagance (noun)
the activity of excessive spending	the activity of excessive spending
the trait of spending extravagantly	the trait of spending extravagantly
	the quality of exceeding the appropriate limits of decorum or probability or truth