Strong’s Greek
G2850 — kolakeia
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
κολακεία
kolakeia — pronounced kol-ak-i'-ah
from a derivative of kolax (a fawner); flattery:--X flattering.
1 occurrence in the KJV.
1 Thessalonians 2:5
For neither at any time used we flattering words, as ye know, nor a cloke of covetousness; God is witness: