affect vs involve

affect is a noun but involve is not a noun.

Word	Noun	Adjective	Verb	Adverb
affect	Yes	No	Yes	No
involve	No	No	Yes	No

As verbs, affect and involve are synonyms defined as:

Other synonyms of affect include regard.

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

affect (verb)	involve (verb)
act physically on; have an effect upon	make complex or intricate or complicated
have an effect upon	occupy or engage the interest of
make believe with the intent to deceive	have as a necessary feature
have an emotional or cognitive impact upon	connect closely and often incriminatingly
connect closely and often incriminatingly	contain as a part
	engage as a participant
	require as useful, just, or proper