sweep off vs affect

sweep off is not a noun while affect is a noun.

Word	Noun	Adjective	Verb	Adverb
sweep off	No	No	Yes	No
affect	Yes	No	Yes	No

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

Other hypernyms of sweep off include impress, move, strike.

sweep off (noun)	affect (noun)
	the conscious subjective aspect of feeling or emotion

sweep off (verb)	affect (verb)
overwhelm emotionally	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