flogging vs beating

flogging and beating both are nouns.

Word	Noun	Adjective	Verb	Adverb
flogging	Yes	No	No	No
beating	Yes	No	No	No

As nouns, beating is a hypernym of flogging; that is, beating is a word with a broader meaning than flogging:

Other hypernyms of flogging include drubbing, lacing, licking, thrashing, trouncing, whacking.

flogging (noun)	beating (noun)
beating with a whip or strap or rope as a form of punishment	the act of inflicting corporal punishment with repeated blows
	the act of overcoming or outdoing