clawback vs regaining

clawback and regaining both are nouns.

Word	Noun	Adjective	Verb	Adverb
clawback	Yes	No	No	No
regaining	Yes	No	No	No

As nouns, regaining is a hypernym of clawback; that is, regaining is a word with a broader meaning than clawback:

clawback: finding a way to take money back from people that they were given in another way
regaining: getting something back again

Other hypernyms of clawback include restitution, restoration, return.

clawback (noun)	regaining (noun)
finding a way to take money back from people that they were given in another way	getting something back again