The following is from thewestminsterstandard.org:
Q. 76. Which is the ninth commandment?
A. The ninth commandment is, Thou shalt not bear false witness against thy neighbor.
Q. 77. What is required in the ninth commandment?
A. The ninth commandment requireth the maintaining and promoting of truth between man and man, and of our own and our neighbor’s good name, especially in witness bearing.
Zech. 8:16; 3 John 1:12; Prov. 14:5, 25.
Q. 78. What is forbidden in the ninth commandment?
A. The ninth commandment forbiddeth whatsoever is prejudicial to truth, or injurious to our own or our neighbor’s good name.
1 Sam. 17:28; Lev. 19:16; Ps. 15:3.
Q. 79. Which is the tenth commandment?
A. The tenth commandment is, Thou shalt not covet thy neighbor’s house, thou shalt not covet thy neighbor’s wife, nor his man-servant, nor his maid-servant, nor his ox, nor his ass, nor anything that is thy neighbor’s.
Q. 80. What is required in the tenth commandment?
A. The tenth commandment requireth full contentment with our own condition, with a right and charitable frame of spirit toward our neighbor, and all that is his.
Heb. 13:5; 1 Tim. 6:6; Job 31:29; Rom. 12:15; 1 Tim. 1:5; 1 Cor. 13:4-7.