backbiter

Strong’s Dictionary of Greek Words:

Number:
2637 (find all occurrences in KJV Bible)
Greek:
κατάλαλος
Transliteration:
katalalos
Phonic:
kat-al’-al-os
Meaning:
from 2596 and the base of 2980; talkative against, i.e. a slanderer
KJV Usage:
backbiter