bear upon vs affect

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

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

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

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

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

bear upon (verb)	affect (verb)
have an effect upon	act physically on; 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