barracking vs heckling

barracking and heckling both are nouns.

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

As nouns, barracking and heckling are synonyms defined as:

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

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