I noticed that what in KJV was usury in NKJV became interest.
For example, here:
Exodus 22:25
KJV
If thou lend money to any of my people that is poor by thee, thou shalt not be to him as an usurer, neither shalt thou lay upon him usury.
NKJV
If you lend money to one of my people among you who is needy, do not be like a moneylender; charge him no interest.
Deuteronomy 23:19-20
KJV
Thou shalt not lend upon usury to thy brother; usury of money, usury of victuals, usury of any thing that is lent upon usury:
Unto a stranger thou mayest lend upon usury; but unto thy brother thou shalt not lend upon usury: that the LORD thy God may bless thee in all that thou settest thine hand to in the land whither thou goest to possess it.
NKJV
Do not charge your brother interest, whether on money or food or anything else that may earn interest.
You may charge a foreigner interest, but not a brother Israelite, so that the LORD your God may bless you in everything you put your hand to in the land you are entering to possess.
So what did God say: usury, or interest?