thumping vs banging

thumping and banging both are nouns.

Word	Noun	Adjective	Verb	Adverb
thumping	Yes	Yes	No	No
banging	Yes	Yes	No	No

As adjectives, thumping and banging are synonyms defined as:

Other synonyms of thumping include humongous, walloping, whopping.

thumping (noun)	banging (noun)
a heavy dull sound (as made by impact of heavy objects)	the act of subjecting to strong attack
	a continuing very loud noise

thumping (adjective)	banging (adjective)
(used informally) very large	(used informally) very large