Strong’s Greek
G3644 — olothreutes
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
ὀλοθρευτής
olothreutes — pronounced ol-oth-ryoo-tace'
from 3645; a ruiner, i.e. (specially), a venomous serpent:--destroyer. see GREEK for 3645
1 occurrence in the KJV.
1 Corinthians 10:10
Neither murmur ye, as some of them also murmured, and were destroyed of the destroyer.