αἱρετικός aihretikos hahee-ret-ee-kos' From the same as G140; a schismatic . (“heretic” is the Greek word itself.)KJV Usage: heretic [the Greek word itself].
Titus 3:10 (KJV_Strongs) 10 G444 A man G141 that is an heretick G3326 after G3391 the first G2532 and G1208 second G3559 admonition G3868 reject [G5737] ;
Titus 3:10 (IGNT) 10 G141 αιρετικον A Sectarian G444 ανθρωπον Man G3326 μετα After G3391 μιαν One G2532 και And G1208 δευτεραν A Second G3559 νουθεσιαν Admonition G3868 (G5737) παραιτου Reject,