Strong's Concordance G141

Original Word: αἱρετικός
Transliteration: hairetikós
Phonetic Spelling: hahee-ret-ee-kos'
[αἱρετικός] from the same as G140; a schismatic

Usages throughout the bible

Titus 3:10 - A man that is an heretick G141 after the first and second admonition reject;