αἱρετικός (hairetikós|hahee-ret-ee-kos'|adjective|factious)
[Grk] αἱρετικός LN: 39.17 GK: G148
Derivation: from the same as αἱρετίζω;
Strong's: a schismatic
KJV: --heretic (the Greek word itself).
See: αἱρετίζω