prolong vs bear on

prolong and bear on both are verbs.

Word	Noun	Adjective	Verb	Adverb
prolong	No	No	Yes	No
bear on	No	No	Yes	No

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

Other hypernyms of prolong include carry on, continue, preserve, uphold.

prolong (verb)	bear on (verb)
lengthen in time; cause to be or last longer	have an effect upon
lengthen or extend in duration or space	press, drive, or impel (someone) to action or completion of an action
	be relevant to
	keep or maintain in unaltered condition; cause to remain or last