beating vs corporal punishment

beating and corporal punishment both are nouns.

Word	Noun	Adjective	Verb	Adverb
beating	Yes	No	No	No
corporal punishment	Yes	No	No	No

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

beating: the act of inflicting corporal punishment with repeated blows
corporal punishment: the infliction of physical injury on someone convicted of committing a crime

beating (noun)	corporal punishment (noun)
the act of inflicting corporal punishment with repeated blows	the infliction of physical injury on someone convicted of committing a crime
the act of overcoming or outdoing