barrack vs urge on

barrack is a noun but urge on is not a noun.

Word	Noun	Adjective	Verb	Adverb
barrack	Yes	No	Yes	No
urge on	No	No	Yes	No

As verbs, barrack and urge on are synonyms defined as:

barrack and urge on: spur on or encourage especially by cheers and shouts

Other synonyms of barrack include cheer, exhort, inspire, pep up, root on, urge.

barrack (noun)	urge on (noun)
a building or group of buildings used to house military personnel

barrack (verb)	urge on (verb)
laugh at with contempt and derision	force or impel in an indicated direction
spur on or encourage especially by cheers and shouts	spur on or encourage especially by cheers and shouts
lodge in barracks