Strong's G3148 — μάστιξ (noun)
mastix (mas'-tix) n.
1. a whip
2. (literally) the Roman flagellum for criminals
3. (figuratively) a disease
[probably from the base of G3145 (through the idea of contact)]
KJV: plague, scourging 
Root(s): G3145 
Hebrew root: μασσάομαι
Occurrences: 6