funding vs backing

funding and backing both are nouns.

Word	Noun	Adjective	Verb	Adverb
funding	Yes	No	No	No
backing	Yes	No	No	No

As nouns, funding and backing are synonyms defined as:

funding and backing: financial resources provided to make some project possible

Other synonyms of funding include financial backing, financial support, support.

funding (noun)	backing (noun)
the act of financing	the act of providing approval and support
financial resources provided to make some project possible	something forming a back that is added for strengthening
	financial resources provided to make some project possible