name calling vs obloquy

name calling and obloquy both are nouns.

Word	Noun	Adjective	Verb	Adverb
name calling	Yes	No	No	No
obloquy	Yes	No	No	No

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

name calling: verbal abuse; a crude substitute for argument
obloquy: a false accusation of an offense or a malicious misrepresentation of someone's words or actions

Other hypernyms of name calling include calumniation, calumny, defamation, hatchet job, traducement.

name calling (noun)	obloquy (noun)
verbal abuse; a crude substitute for argument	a false accusation of an offense or a malicious misrepresentation of someone's words or actions
	state of disgrace resulting from public abuse