backing vs financial support

backing and financial support both are nouns.

Word	Noun	Adjective	Verb	Adverb
backing	Yes	No	No	No
financial support	Yes	No	No	No

As nouns, backing and financial support are synonyms defined as:

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

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

backing (noun)	financial support (noun)
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