'Addeth' in the Bible

For he addeth rebellion unto his sin; He clappeth his hands among us, And multiplieth his words against God.

The blessing of Jehovah, it maketh rich; And he addeth no sorrow therewith.

The heart of the wise instructeth his mouth, And addeth learning to his lips.

Wealth addeth many friends; But the poor is separated from his friend.

Brethren, I speak after the manner of men: Though it be but a man's covenant, yet when it hath been confirmed, no one maketh it void, or addeth thereto.