18 distinct Greek words appear in this verse.

• Spiritual Warfare
• Truth

6 passages from patristic writers, Reformers, and church catechisms citing this verse.

• 1Cor 2:15 — But he that is spiritual judgeth all things, yet he himself is judged of no man.
• 1Cor 12:10 — To another the working of miracles; to another prophecy; to another discerning of spirits; to another divers kinds of tongues; to another the interpretation of tongues:
• 1Cor 12:10 — To another the working of miracles; to another prophecy; to another discerning of spirits; to another divers kinds of tongues; to another the interpretation of tongues:
• 1Cor 14:29 — Let the prophets speak two or three, and let the other judge.
• 1Cor 14:29 — Let the prophets speak two or three, and let the other judge.
• 1Cor 14:32 — And the spirits of the prophets are subject to the prophets.
• 1John 2:18 — Little children, it is the last time: and as ye have heard that antichrist shall come, even now are there many antichrists; whereby we know that it is the last time.
• 1John 2:18 — Little children, it is the last time: and as ye have heard that antichrist shall come, even now are there many antichrists; whereby we know that it is the last time.
• 1John 4:6 — We are of God: he that knoweth God heareth us; he that is not of God heareth not us. Hereby know we the spirit of truth, and the spirit of error.
• 1Kgs 13:18 — He said unto him, I am a prophet also as thou art; and an angel spake unto me by the word of the LORD, saying, Bring him back with thee into thine house, that he may eat bread and drink water. But he
• 1Thess 5:21 — Prove all things; hold fast that which is good.
• 1Thess 5:21 — Prove all things; hold fast that which is good.
• 1Tim 4:1 — Now the Spirit speaketh expressly, that in the latter times some shall depart from the faith, giving heed to seducing spirits, and doctrines of devils;
• 2Cor 2:17 — For we are not as many, which corrupt the word of God: but as of sincerity, but as of God, in the sight of God speak we in Christ.
• 2Cor 11:3 — But I fear, lest by any means, as the serpent beguiled Eve through his subtilty, so your minds should be corrupted from the simplicity that is in Christ.
• 2Cor 11:13 — For such are false apostles, deceitful workers, transforming themselves into the apostles of Christ.
• 2John 1:7 — For many deceivers are entered into the world, who confess not that Jesus Christ is come in the flesh. This is a deceiver and an antichrist.
• 2John 1:7 — For many deceivers are entered into the world, who confess not that Jesus Christ is come in the flesh. This is a deceiver and an antichrist.
• 2Pet 2:1 — 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 up
• 2Pet 2:1 — 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 up
• 2Thess 2:2 — That ye be not soon shaken in mind, or be troubled, neither by spirit, nor by word, nor by letter as from us, as that the day of Christ is at hand.
• 2Tim 3:8 — Now as Jannes and Jambres withstood Moses, so do these also resist the truth: men of corrupt minds, reprobate concerning the faith.
• 2Tim 3:13 — But evil men and seducers shall wax worse and worse, deceiving, and being deceived.
• Acts 13:6 — And when they had gone through the isle unto Paphos, they found a certain sorcerer, a false prophet, a Jew, whose name was Barjesus:
• Acts 17:11 — These were more noble than those in Thessalonica, in that they received the word with all readiness of mind, and searched the scriptures daily, whether those things were so.
• Acts 20:29 — For I know this, that after my departing shall grievous wolves enter in among you, not sparing the flock.
• Col 2:4 — And this I say, lest any man should beguile you with enticing words.
• Col 2:18 — Let no man beguile you of your reward in a voluntary humility and worshipping of angels, intruding into those things which he hath not seen, vainly puffed up by his fleshly mind,
• Dan 11:34 — Now when they shall fall, they shall be holpen with a little help: but many shall cleave to them with flatteries.
• Deut 13:1 — If there arise among you a prophet, or a dreamer of dreams, and giveth thee a sign or a wonder,
• Deut 13:1 — If there arise among you a prophet, or a dreamer of dreams, and giveth thee a sign or a wonder,
• Deut 13:3 — Thou shalt not hearken unto the words of that prophet, or that dreamer of dreams: for the LORD your God proveth you, to know whether ye love the LORD your God with all your heart and with all your sou
• Deut 18:21 — And if thou say in thine heart, How shall we know the word which the LORD hath not spoken?
• Eph 4:14 — That we henceforth be no more children, tossed to and fro, and carried about with every wind of doctrine, by the sleight of men, and cunning craftiness, whereby they lie in wait to deceive;
• Eph 5:6 — Let no man deceive you with vain words: for because of these things cometh the wrath of God upon the children of disobedience.
• Gal 1:7 — Which is not another; but there be some that trouble you, and would pervert the gospel of Christ.
• Gal 2:4 — And that because of false brethren unawares brought in, who came in privily to spy out our liberty which we have in Christ Jesus, that they might bring us into bondage:
• Heb 13:9 — Be not carried about with divers and strange doctrines. For it is a good thing that the heart be established with grace; not with meats, which have not profited them that have been occupied therein.
• Jer 5:31 — The prophets prophesy falsely, and the priests bear rule by their means; and my people love to have it so: and what will ye do in the end thereof?
• Jer 23:16 — Thus saith the LORD of hosts, Hearken not unto the words of the prophets that prophesy unto you: they make you vain: they speak a vision of their own heart, and not out of the mouth of the LORD.