Strong’s Greek
G3682 — Onesimos
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
Ὀνήσιμος
Onesimos — pronounced on-ay'-sim-os
from 3685; profitable; Onesimus, a Christian:--Onesimus. see GREEK for 3685
2 occurrences in the KJV.
Colossians 4:9
With Onesimus, a faithful and beloved brother, who is one of you. They shall make known unto you all things which are done here.
Philemon 1:10
I beseech thee for my son Onesimus, whom I have begotten in my bonds: