bear upon vs touch on

bear upon and touch on both are verbs.

Word	Noun	Adjective	Verb	Adverb
bear upon	No	No	Yes	No
touch on	No	No	Yes	No

As verbs, bear upon and touch on are synonyms defined as:

Other synonyms of bear upon include affect, bear on, impact, touch.

bear upon (verb)	touch on (verb)
have an effect upon	restore by replacing a part or putting together what is torn or broken
	have an effect upon
	refer to or discuss briefly
	be relevant to