affect vs bear upon

affect is a noun but bear upon is not a noun.

Word	Noun	Adjective	Verb	Adverb
affect	Yes	No	Yes	No
bear upon	No	No	Yes	No

As verbs, affect and bear upon are synonyms defined as:

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

affect (noun)	bear upon (noun)
the conscious subjective aspect of feeling or emotion

affect (verb)	bear upon (verb)
act physically on; have an effect upon	have an effect upon
have an effect upon
make believe with the intent to deceive
have an emotional or cognitive impact upon
connect closely and often incriminatingly