Strong's G3644 — ὀλοθρευτής (noun)
olothreutes (ol-oth-ryoo-tace') n.
1. a ruiner
2. (specially), a venomous serpent
[from G3645]
KJV: destroyer 
Root(s): G3645 
Hebrew root: ὀλοθρεύω
Occurrences: 1