keep up vs carry on

keep up and carry on both are verbs.

Word	Noun	Adjective	Verb	Adverb
keep up	No	No	Yes	No
carry on	No	No	Yes	No

As verbs, carry on is a hypernym of keep up; that is, carry on is a word with a broader meaning than keep up:

Other hypernyms of keep up include bear on, continue, preserve, uphold.

keep up (verb)	carry on (verb)
prevent from going to bed at night	continue talking
keep informed	direct the course of; manage or control
maintain a required pace or level	misbehave badly; act in a silly or improper way
keep in safety and protect from harm, decay, loss, or destruction	keep or maintain in unaltered condition; cause to remain or last
lengthen or extend in duration or space