The article also mentions that each one can be legitimately used as either a noun or a verb.

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Now that you’ve mastered the basic difference—effect as a noun and affect as a verb—it’s time to shake things up. In some contexts, effect is a verb and affect is a noun. Thanks a lot, English.
Remember, we're dealing with a language where "fat chance" and "slim chance" mean essentially the same thing.

I feel a headache coming on. That can be the effect (see what I did there?) of discussions such as these.


Life isn't a support system for writing. It's the other way around.

- Stephen King, from On Writing