urge on vs barrack

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

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

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

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

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

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

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