Strong’s Greek
G2636 — katalalia
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
καταλαλιά
katalalia — pronounced kat-al-al-ee'-ah
from 2637; defamation:--backbiting, evil speaking. see GREEK for 2637
2 occurrences in the KJV.
2 Corinthians 12:20
For I fear, lest, when I come, I shall not find you such as I would, and that I shall be found unto you such as ye would not: lest there be debates, envyings, wraths, strifes, backbitings, whisperings, swellings, tumults:
1 Peter 2:1
Wherefore laying aside all malice, and all guile, and hypocrisies, and envies, all evil speakings,