Verses with the word covet in the New Testament (4 verses):

Romans 7:7
What shall we say then? Is the law sin? God forbid. Nay, I had not known sin, but by the law: for I had not known lust, except the law had said, Thou shalt not covet.

Romans 13:9
For this, Thou shalt not commit adultery, Thou shalt not kill, Thou shalt not steal, Thou shalt not bear false witness, Thou shalt not covet; and if there be any other commandment, it is briefly comprehended in this saying, namely, Thou shalt love thy neighbour as thyself.

1 Corinthians 12:31
But covet earnestly the best gifts: and yet shew I unto you a more excellent way.

1 Corinthians 14:39
Wherefore, brethren, covet to prophesy, and forbid not to speak with tongues.