prodigal vs profligate

prodigal and profligate both are nouns.

Word	Noun	Adjective	Verb	Adverb
prodigal	Yes	Yes	No	No
profligate	Yes	Yes	No	No

As adjectives, prodigal and profligate are synonyms defined as:

Other synonyms of prodigal include extravagant, spendthrift.

As nouns, prodigal and profligate are synonyms defined as:

Other synonyms of prodigal include squanderer.

prodigal (noun)	profligate (noun)
a recklessly extravagant consumer	a dissolute man in fashionable society
	a recklessly extravagant consumer

prodigal (adjective)	profligate (adjective)
recklessly wasteful	unrestrained by convention or morality
	recklessly wasteful