Strong’s Greek
G2550 — kakoetheia
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
κακοήθεια
kakoetheia — pronounced kak-o-ay'-thi-ah
from a compound of 2556 and 2239; bad character, i.e. (specially) mischievousness:--malignity. see GREEK for 2556 see GREEK for 2239
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,