Strong’s Greek
G3529 — nike
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
νίκη
nike — pronounced nee'-kay
apparently a primary word; conquest (abstractly), i.e. (figuratively) the means of success:--victory.
1 occurrence in the KJV.
1 John 5:4
For whatsoever is born of God overcometh the world: and this is the victory that overcometh the world, even our faith.