argy-bargy vs controversy

argy-bargy and controversy both are nouns.

Word	Noun	Adjective	Verb	Adverb
argy-bargy	Yes	No	No	No
controversy	Yes	No	No	No

As nouns, controversy is a hypernym of argy-bargy; that is, controversy is a word with a broader meaning than argy-bargy:

argy-bargy: a verbal dispute; a wrangling argument
controversy: a contentious speech act; a dispute where there is strong disagreement

Other hypernyms of argy-bargy include arguing, argument, contention, contestation, disceptation, disputation, tilt.

argy-bargy (noun)	controversy (noun)
a verbal dispute; a wrangling argument	a contentious speech act; a dispute where there is strong disagreement