Strong’s Greek
G5588 — psithuristes
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
ψιθυριστής
psithuristes — pronounced psith-oo-ris-tace'
from the same as 5587; a secret calumniator:--whisperer. see GREEK for 5587
1 occurrence in the KJV.
Romans 1:29
Being filled with all unrighteousness, fornication, wickedness, covetousness, maliciousness; full of envy, murder, debate, deceit, malignity; whisperers,