profligate vs spender

profligate and spender both are nouns.

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

As nouns, spender is a hyponym of profligate; that is, spender is a word with a more specific, narrower meaning than profligate:

Other hyponyms of profligate include scattergood, spend-all, spendthrift, waster, wastrel.

profligate (noun)	spender (noun)
a dissolute man in fashionable society	someone who spends money to purchase goods or services
a recklessly extravagant consumer	someone who spends money prodigally

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