keep up vs bear on

keep up and bear on both are verbs.

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

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

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

keep up (verb)	bear on (verb)
prevent from going to bed at night	have an effect upon
keep informed	press, drive, or impel (someone) to action or completion of an action
maintain a required pace or level	be relevant to
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