obloquy vs derogation

obloquy and derogation both are nouns.

Word	Noun	Adjective	Verb	Adverb
obloquy	Yes	No	No	No
derogation	Yes	No	No	No

As nouns, derogation is a hypernym of obloquy; that is, derogation is a word with a broader meaning than obloquy:

obloquy: a false accusation of an offense or a malicious misrepresentation of someone's words or actions
derogation: a communication that belittles somebody or something

Other hypernyms of obloquy include depreciation, disparagement.

obloquy (noun)	derogation (noun)
a false accusation of an offense or a malicious misrepresentation of someone's words or actions	(law) the partial taking away of the effectiveness of a law; a partial repeal or abolition of a law
state of disgrace resulting from public abuse	a communication that belittles somebody or something