spell  & define effect & affect
Affect and effect are different in meaning, though frequently confused. Affect is chiefly used as a verb and its main meaning is âto influence or make a difference toâ, as in the following example sentences: The pay increase will greatly affect their lifestyle. The dampness began to affect my health.
something that is produced by an agency or cause; result; consequence: Exposure to the sun had the effect of toughening his skin. 2. power to produce results; efficacy; force; validity; influence: His protest had no effect.