stuffing vs padding

stuffing and padding both are nouns.

Word	Noun	Adjective	Verb	Adverb
stuffing	Yes	No	No	No
padding	Yes	No	No	No

As nouns, padding is a hypernym of stuffing; that is, padding is a word with a broader meaning than stuffing:

stuffing: padding put in mattresses and cushions and upholstered furniture
padding: artifact consisting of soft or resilient material used to fill or give shape or protect or add comfort

Other hypernyms of stuffing include cushioning.

stuffing (noun)	padding (noun)
padding put in mattresses and cushions and upholstered furniture	artifact consisting of soft or resilient material used to fill or give shape or protect or add comfort
a mixture of seasoned ingredients used to stuff meats and vegetables