αἵρεσις

Then the high priest rose up, and all they that were with him, (which is the sect of the Sadducees,) and were filled with indignation,

But there rose up certain of the sect of the Pharisees which believed, saying, That it was needful to circumcise them, and to command them to keep the law of Moses.

For we have found this man a pestilent fellow, and a mover of sedition among all the Jews throughout the world, and a ringleader of the sect of the Nazarenes:

But this I confess unto thee, that after the way which they call heresy, so worship I the God of my fathers, believing all things which are written in the law and in the prophets:

Which knew me from the beginning, if they would testify, that after the most straitest sect of our religion I lived a Pharisee.

But we desire to hear of thee what thou thinkest: for as concerning this sect, we know that every where it is spoken against.

Idolatry, witchcraft, hatred, variance, emulations, wrath, strife, seditions, heresies,

For there must be also heresies among you, that they which are approved may be made manifest among you.

But there were false prophets also among the people, even as there shall be false teachers among you, who privily shall bring in damnable heresies, even denying the Lord that bought them, and bring upon themselves swift destruction.