pounding vs throb

pounding and throb both are nouns.

Word	Noun	Adjective	Verb	Adverb
pounding	Yes	No	No	No
throb	Yes	No	Yes	No

As nouns, pounding and throb are synonyms defined as:

pounding and throb: an instance of rapid strong pulsation (of the heart)

Other synonyms of pounding include throbbing.

pounding (noun)	throb (noun)
the act of pounding (delivering repeated heavy blows)	an instance of rapid strong pulsation (of the heart)
repeated heavy blows	a deep pulsating type of pain
an instance of rapid strong pulsation (of the heart)

pounding (verb)	throb (verb)
	tremble convulsively, as from fear or excitement
	expand and contract rhythmically; beat rhythmically
	pulsate or pound with abnormal force