prodigality vs profligacy

prodigality and profligacy both are nouns.

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

As nouns, prodigality and profligacy are synonyms defined as:

Other synonyms of prodigality include extravagance.

prodigality (noun)	profligacy (noun)
the activity of excessive spending	dissolute indulgence in sensual pleasure
the trait of spending extravagantly	the trait of spending extravagantly