heckling vs barracking

heckling and barracking both are nouns.

Word	Noun	Adjective	Verb	Adverb
heckling	Yes	No	No	No
barracking	Yes	No	No	No

As nouns, heckling and barracking are synonyms defined as:

heckling and barracking: shouting to interrupt a speech with which you disagree

heckling (noun)	barracking (noun)
shouting to interrupt a speech with which you disagree	shouting to interrupt a speech with which you disagree