Affect is usually a verb and rarely a noun.
Affect is a noun.
Affect is a verb.
The speech the president gave effected me.
The speech the president gave affected me.
Effect is a noun.
Effect is a verb.
Effect is a noun, except in some cases.
The students wanted to affect change on campus.
The students wanted to effect change on campus.
No one could have predicted the effect the party would have.
No one could have predicted the affect the party would have.