Faint: Lacking strength; inclined to swoon; lacking in courage, spirit, or energy; lacking distinctness; hardly perceptible. For example: Due to the summer heat, she began to feel dizzy and faint. In the early morning hours, the sunlight is faint on the horizon. The music in the background was faint and hardly perceptible.
Feint: A movement made to confuse the opponent, a dummy; that which is feigned; an assumed or false appearance; an offensive movement resembling an attack in all but its continuance.