II Corinthians 1:6-7

KJV - And whether we be afflicted, it is for your consolation and salvation,
which is effectual in the enduring of the same sufferings which we also suffer: (1)
or whether we be comforted, it is for your consolation and salvation. (2)
And our hope of you is stedfast, Knowing, that as ye are partakers of the sufferings, so shall ye be also of the consolation. (Byz*)

NASV - ​But if we are afflicted, it is for your comfort and salvation;
or if we are comforted, it is for your comfort, (2)
which is effective in the patient enduring of the same sufferings which we also suffer; (1)
and our hope for you is firmly grounded, knowing that as you are sharers of our sufferings, so also you are sharers of our comfort. (Aleph, A)

Note: The KJV differs from the 'Byz' manuscript only in the order of some phrases.  Note that
the numbered phrases are in reverse order.

II Corinthians 1:10

KJV - Who delivered us from so great a death, and doth deliver: in whom we trust that he will yet deliver us; (Byz)

NASV - who delivered us from so great a peril of death, and will deliver us, He on whom we have set our hope. And He will yet deliver us, (Aleph, B)

II Corinthians 1:12

KJV - For our rejoicing is this, the testimony of our conscience, that in simplicity and godly sincerity, not with fleshly wisdom, but by the grace of God, we have had our conversation in the world, and more abundantly to you-ward. (Byz)

NASV - For our proud confidence is this: the testimony of our conscience, that in holiness and godly sincerity, not in fleshly wisdom but in the grace of God, we have conducted ourselves in the world, and especially toward you. (Aleph, A, B)

II Corinthians 1:14

KJV - As also ye have acknowledged us in part, that we are your rejoicing, even as ye also are ours in the day of the Lord Jesus. (A, Byz)

NASV - ​just as you also partially did understand us, that we are your reason to be proud as you also are ours, in the day of our Lord Jesus. (Aleph, B)

NIV - ​as you have understood us in part, you will come to understand fully that you can boast of us just as we will boast of you in the day of the Lord Jesus. (A, Byz)

II Corinthians 3:1

KJV - Do we begin again to commend ourselves? or need we, as some others, epistles of commendation to you, or letters of commendation from you? (TR text)

KJV, modified - Do we begin again to commend ourselves? or need we, as some others, epistles of commendation to you or from you? (NA/UBS text)

Note: The modified verse represents what it would be if translated from the Nestle-Aland/UBS text. The genitive phrase "of commendation" occurs only once.

II Corinthians 3:9

KJV - For if the ministration of condemnation be glory, much more doth the ministration of righteousness exceed in glory. (B, Byz)

NASV - ​For if the ministry of condemnation has glory, much more does the ministry of righteousness abound in glory. (B, Byz)

NIV - If the ministry that brought condemnation was glorious, how much more glorious is the ministry that brings righteousness! (Aleph, A)

II Corinthians 5:17

KJV - Therefore if any man be in Christ, he is a new creature: old things are passed away; behold, all things are become new. (Byz)

NASV - ​Therefore if anyone is in Christ, he is a new creature; the old things passed away; behold, new things have come. (Aleph, B)

NIV - Therefore, if anyone is in Christ, the new creation has come: The old has gone, the new is here! (Aleph, B)

II Corinthians 6:16

KJV - And what agreement hath the temple of God with idols? for ye are the temple of the living** God; as God hath said, I will dwell in them, and walk in them; and I will be their God, and they shall be my people. (Byz)

NASV - ​Or what agreement has the temple of God with idols? For we are the temple of the living** God; just as God said, “I will dwell in them and walk among them; And I will be their God, and they shall be My people. (B)

Note:  'Aleph' says "we are the temples of God".   The 'A' manuscript reading is undetermined.
** The word "living" is in a few minor manuscripts. It may also be in some 'Byz' manuscripts.

II Corinthians 7:8

KJV - For though I made you sorry with a letter, I do not repent, though I did repent: for I perceive that the same epistle hath made you sorry, though it were but for a season. (Aleph, Byz)

NASV - ​For though I caused you sorrow by my letter, I do not regret it; though I did regret it — for I see that that letter caused you sorrow, though only for a while — (B)

NIV - ​Even if I caused you sorrow by my letter, I do not regret it. Though I did regret it — I see that my letter hurt you, but only for a little while — (B)

Note: The word "for" is not in the 'B' manuscript. The NASV adds it in parentheses.

II Corinthians 8:7

KJV - Therefore, as ye abound in every thing, in faith, and utterance, and knowledge, and in all diligence, and in your love to us, see that ye abound in this grace also (Aleph, Byz)

NASV - ​But just as you abound in everything, in faith and utterance and knowledge and in all earnestness and in the love we inspired in you, see that you abound in this gracious work also. (B)

II Corinthians 9:4

KJV - Lest haply if they of Macedonia come with me, and find you unprepared, we (that we say not, ye) should be ashamed in this same confident boasting. (Byz)

NASV - ​otherwise if any Macedonians come with me and find you unprepared, we—not to speak of you—will be put to shame by this confidence. (Aleph, B)

II Corinthians 11:3

KJV - 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. (Byz)

NASV - But I am afraid that, as the serpent deceived Eve by his craftiness, your minds will be led astray from the simplicity and purity of devotion to Christ. (Aleph, B)

II Corinthians 11:32

KJV - In Damascus the governor under Aretas the king kept the city of the Damascenes with a garrison, desirous to apprehend me: (Aleph, Byz)

NASV - In Damascus the ethnarch under Aretas the king was guarding the city of the Damascenes in order to seize me, (B)

II Corinthians 12:1

KJV - It is not expedient for me doubtless to glory. I will come to visions and revelations of the Lord.
(Some of Byz manuscripts)

NASV - ​Boasting is necessary, though it is not profitable; but I will go on to visions and revelations of the Lord. (B)

Note: Some manuscripts say "but glorying is not helping things." Others say "I must not glory. It
only profits me."

II Corinthians 12:7

KJV - And lest I should be exalted above measure through the abundance of the revelations, there was given to me a thorn in the flesh, the messenger of Satan to buffet me, lest I should be exalted above measure. (Byz)

NASV - ​Because of the surpassing greatness of the revelations, for this reason, to keep me from exalting myself, there was given me a thorn in the flesh, a messenger of Satan to torment me—to keep me from exalting myself! (Aleph, A, B)

II Corinthians 12:7

KJV - And lest I should be exalted above measure through the abundance of the revelations, there was given to me a thorn in the flesh, the messenger of Satan to buffet me, lest I should be exalted above measure. (B, Byz)

NASV - ​Because of the surpassing greatness of the revelations, for this reason, to keep me from exalting myself, there was given me a thorn in the flesh, a messenger of Satan to torment me—to keep me from exalting myself! (B, Byz)

NIV - or because of these surpassingly great revelations. Therefore, in order to keep me from becoming conceited, I was given a thorn in my flesh, a messenger of Satan, to torment me. (Aleph, A)

II Corinthians 12:9

KJV - And he said unto me, My grace is sufficient for thee: for my strength is made perfect in weakness. Most gladly therefore will I rather glory in my infirmities, that the power of Christ may rest upon me. (A, Byz)

NASV - And He has said to me, “My grace is sufficient for you, for power is perfected in weakness.” Most gladly, therefore, I will rather boast about my weaknesses, so that the power of Christ may dwell in me. (Aleph, B)

NIV - But he said to me, “My grace is sufficient for you, for my power is made perfect in weakness. ” Therefore I will boast all the more gladly about my weaknesses, so that Christ’s power may rest on me. (A, Byz)

II Corinthians 12:15

KJV - And I will very gladly spend and be spent for you; though the more abundantly I love you, the less I be loved. (Byz)

NASV - I will most gladly spend and be expended for your souls. If I love you more, am I to be loved less? (Aleph, A, B)

II Corinthians 12:19

KJV - Again, think ye that we excuse ourselves unto you? we speak before God in Christ: but we do all things, dearly beloved, for your edifying. (Byz)

NASV - ​All this time you have been thinking that we are defending ourselves to you. Actually, it is in the sight of God that we have been speaking in Christ; and all for your upbuilding, beloved. (Aleph, A, B)