affect vs come to

affect is a noun but come to is not a noun.

Word	Noun	Adjective	Verb	Adverb
affect	Yes	No	Yes	No
come to	No	No	Yes	No

As verbs, come to is a hypernym of affect; that is, come to is a word with a broader meaning than affect:

Other hypernyms of affect include bear on, concern, have to do with, pertain, refer, relate, touch, touch on.

affect (noun)	come to (noun)
the conscious subjective aspect of feeling or emotion

affect (verb)	come to (verb)
act physically on; have an effect upon	return to consciousness
have an effect upon	cause to experience suddenly
make believe with the intent to deceive	attain
have an emotional or cognitive impact upon	be relevant to
connect closely and often incriminatingly