Acts.6.1  Now in these days when the disciples were increasing in number, the Hellenists murmured against the Hebrews because their widows were neglected in the daily distribution.
Acts.9.29  preaching boldly in the name of the Lord. And he spoke and disputed against the Hellenists; but they were seeking to kill him.

Hyper-concordance v1.1, by Sean Boisen. Scripture verses taken from the Revised Standard Version, copyright 1952, 1971.