Acts 6:1
And in those days, when the number of the disciples was multiplied, there arose a murmuring of the Grecians against the Hebrews, because their widows were neglected in the daily ministration.
Torrey's Topical Textbook—AKJV

Acts 9:29
And he spoke boldly in the name of the Lord Jesus, and disputed against the Grecians: but they went about to slay him.
Torrey's Topical Textbook—AKJV