Affect vs. Effect
Affect
Definition
Affect is usually a verb that means to influence or to produce a change in something.
Effect
Definition
Effect is usually a noun that means the result of a change.
Example
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The cold weather affects my mood.
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The new law will affect small businesses.
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The loud noise affects my concentration.
Example
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The medicine had no effect on my headache.
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The new law will take effect next year.
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The loud noise had a negative effect on my concentration.
Other: