Strong's Concordance

Original word: κολακεία
Transliteration: kolakeia
Definition (short): flattering
Definition (full): flattery

NAS Exhaustive Concordance

Word Origin: akin to kolax (flatterer)
Definition: flattery
NASB Translation: flattering (1).
NAS Exhaustive Concordance of the Bible with Hebrew-Aramaic and Greek Dictionaries.
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Strong's Exhaustive Concordance

From a derivative of kolax (a fawner); flattery -- X flattering.
KJV: For neither at any time used we flattering words, as ye know, nor a cloke of covetousness; God is witness:
NASB: For we never came with flattering speech, as you know, nor with a pretext for greed-- God is witness--