carry on vs uphold

carry on and uphold both are verbs.

Word	Noun	Adjective	Verb	Adverb
carry on	No	No	Yes	No
uphold	No	No	Yes	No

As verbs, carry on and uphold are synonyms defined as:

carry on and uphold: keep or maintain in unaltered condition; cause to remain or last

Other synonyms of carry on include bear on, continue, preserve.

carry on (verb)	uphold (verb)
continue talking	stand up for; stick up for; of causes, principles, or ideals
direct the course of; manage or control	support against an opponent
misbehave badly; act in a silly or improper way	keep or maintain in unaltered condition; cause to remain or last
keep or maintain in unaltered condition; cause to remain or last