root on vs urge on

root on and urge on both are verbs.

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

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

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

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

root on (verb)	urge on (verb)
spur on or encourage especially by cheers and shouts	force or impel in an indicated direction
	spur on or encourage especially by cheers and shouts