2 occurrences across the corpus

King James Version

Acts 20:9

And there sat in a window a certain young man named Eutychus, being fallen into a deep sleep: and as Paul was long preaching, he sunk down with sleep, and fell down from the third loft, and was taken up dead.

NT Apocrypha/Pseudepigrapha

The Third Epistle to the Corinthians 1:2

When therefore the Corinthians heard that Paul was at Philippi, they sent a letter unto Paul to Macedonia by Threptus and Eutychus the deacons. And the letter was after this manner.