affect vs sweep off

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

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

As verbs, sweep off is a hyponym of affect; that is, sweep off is a word with a more specific, narrower meaning than affect:

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

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