pecuniary resource vs finances

pecuniary resource and finances both are nouns.

Word	Noun	Adjective	Verb	Adverb
pecuniary resource	Yes	No	No	No
finances	Yes	No	No	No

As nouns, pecuniary resource and finances are synonyms defined as:

Other synonyms of pecuniary resource include cash in hand, funds, monetary resource.

pecuniary resource (noun)	finances (noun)
assets in the form of money	assets in the form of money