The main difference between affect and effect is in their grammatical role. The most common use of affect is as a verb, to have an effect on something or to cause it to change. The most common ...

Affect and effect are notoriously tricky. It doesn’t help that each can be both a noun and a verb, so you’re actually dealing with four words rather than two. To keep all these straight, know how the ...

It's all the Katrina threads. I keep seeing that the storm effected something or something about the affects of the storm. Effect is a noun. It means a change which is the result or consequence of an ...