cheer vs urge on

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

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

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

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

cheer (noun)	urge on (noun)
the quality of being cheerful and dispelling gloom
a cry or shout of approval

cheer (verb)	urge on (verb)
become cheerful	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
show approval or good wishes by shouting
cause (somebody) to feel happier or more cheerful
give encouragement to