Verses with the word manners in the Old Testament (3 verses):

Leviticus 20:23
And ye shall not walk in the manners of the nation, which I cast out before you: for they committed all these things, and therefore I abhorred them.

2 Kings 17:34
Unto this day they do after the former manners: they fear not the LORD, neither do they after their statutes, or after their ordinances, or after the law and commandment which the LORD commanded the children of Jacob, whom he named Israel;

Ezekiel 11:12
And ye shall know that I am the LORD: for ye have not walked in my statutes, neither executed my judgments, but have done after the manners of the heathen that are round about you.