What is the difference between "affect" and "effect"?
A) They are interchangeable
B) "Affect" is usually a verb; "effect" is usually a noun
C) "Effect" is always a verb
D) "Affect" refers to emotions only
Explanation
"Affect" is typically a verb (to influence), while "effect" is typically a noun (the result). E.g., "The rain affected the game; the effect was a delay."