Strong's G2603 — καταβραβεύω (verb)
katabrabeuo (kat-ab-rab-yoo'-o) v.
1. to award the price against
2. (figuratively) to defraud (of salvation)
[from G2596 and G1018 (in its original sense)]
KJV: beguile of reward 
Root(s): G2596, G1018 
Hebrew root: βραβεύω
Occurrences: 1