Strong's G2634 — κατακυριεύω (verb)
katakurieuo (kat-ak-oo-ree-yoo'-o) v.
1. to lord against, i.e. control, subjugate
[from G2596 and G2961]
KJV: exercise dominion over (lordship), be lord over, overcome 
Root(s): G2596, G2961 
Hebrew root: κυριεύω
Occurrences: 4