Verses with the word tithes in the New Testament (5 verses):

Luke 18:12
I fast twice in the week, I give tithes of all that I possess.

Hebrews 7:5
And verily they that are of the sons of Levi, who receive the office of the priesthood, have a commandment to take tithes of the people according to the law, that is, of their brethren, though they come out of the loins of Abraham:

Hebrews 7:6
But he whose descent is not counted from them received tithes of Abraham, and blessed him that had the promises.

Hebrews 7:8
And here men that die receive tithes; but there he receiveth them, of whom it is witnessed that he liveth.

Hebrews 7:9
And as I may so say, Levi also, who receiveth tithes, payed tithes in Abraham.