Difference between Careen and Sway

Careen

Part of speech: verb

Definition: To heave a ship down on one side so as to expose the other, in order to clean it of barnacles and weed, or to repair it below the water line. To tilt on one side. To lurch or sway violently from side to side. To tilt or lean while in motion. To career.

Sway

Part of speech: noun

Definition: The act of swaying; a swaying motion; a swing or sweep of a weapon.A rocking or swinging motion.Influence, weight, or authority that inclines to one side; as, the sway of desires.Preponderance; turn or cast of balance.Rule; dominion; control.A switch or rod used by thatchers to bind their work.The maximum amplitude of a vehicle's lateral motion

Part of speech: verb

Definition: To move or swing from side to side; or backward and forward; to rock.To move or wield with the hand; to swing; to wield; as, to sway the scepter.To influence or direct by power, authority, persuasion, or by moral force; to rule; to govern; to guide. Cf. persuadeTo cause to incline or swing to one side, or backward and forward; to bias; to turn; to bend; warp; as, reeds swayed by windTo hoistTo be drawn to one side by weight or influence; to lean; to incline.To have weight or influence.To bear sway; to rule; to govern.

Example sentence: It is the eve of St. George's Day. Do you not know that tonight, when the clock strikes midnight, all the evil things in the world will have full sway?