Effect vs affect: “Affect

“Affect” vs. “Effect”: What’s the Difference? Affect is usually used as a verb meaning to influence or produce a change in something, whereas effect is generally used as a noun that refers to a change resulting from something. Learn the difference between affect and effect, two commonly confused words in English grammar. Affect is a verb meaning to influence or change something, while effect is a noun meaning the result or outcome of something. Learn the basic difference between affect and effect: affect is usually a verb, and effect is usually a noun. See examples, exceptions, and common confusions to avoid. Affect is a verb. Effect is a noun. However, affect vs. effect is a most commonly confused because of its similarity in pronunciation.