Strong's G5623 — ὠφελέω (verb)
opheleo (o-fel-eh'-o) v.
1. to be useful, i.e. to benefit
[from a derivative of the base of G5624]
KJV: advantage, better, prevail, profit 
Root(s): G5624 
See also: G5622 
Hebrew root: ὠφέλιμος
Occurrences: 15