exhort vs pep up

exhort and pep up both are verbs.

Word	Noun	Adjective	Verb	Adverb
exhort	No	No	Yes	No
pep up	No	No	Yes	No

As verbs, exhort and pep up are synonyms defined as:

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

exhort (verb)	pep up (verb)
force or impel in an indicated direction	make more interesting or lively
spur on or encourage especially by cheers and shouts	spur on or encourage especially by cheers and shouts