squanderer vs wastrel

squanderer and wastrel both are nouns.

Word	Noun	Adjective	Verb	Adverb
squanderer	Yes	No	No	No
wastrel	Yes	No	No	No

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

Other hyponyms of squanderer include scattergood, spend-all, spender, spendthrift, waster.

squanderer (noun)	wastrel (noun)
a recklessly extravagant consumer	someone who dissipates resources self-indulgently