21 And I gave her space to repent of her fornication; and she repented not.
Revelation 2:21 Cross References - KJV_Cambridge
Jeremiah 8:4-6
4 Moreover thou shalt say unto them, Thus saith the LORD; Shall they fall, and not arise? shall he turn away, and not return?
5 Why then is this people of Jerusalem slidden back by a perpetual backsliding? they hold fast deceit, they refuse to return.
6 I hearkened and heard, but they spake not aright: no man repented him of his wickedness, saying, What have I done? every one turned to his course, as the horse rusheth into the battle.
Romans 2:4-5
Romans 9:22
22 What if God, willing to shew his wrath, and to make his power known, endured with much longsuffering the vessels of wrath fitted to destruction:
1 Peter 3:20
20 Which sometime were disobedient, when once the longsuffering of God waited in the days of Noah, while the ark was a preparing, wherein few, that is, eight souls were saved by water.
2 Peter 3:9
9 The Lord is not slack concerning his promise, as some men count slackness; but is longsuffering to us-ward, not willing that any should perish, but that all should come to repentance.
2 Peter 3:15
15 And account that the longsuffering of our Lord is salvation; even as our beloved brother Paul also according to the wisdom given unto him hath written unto you;
Revelation 9:20-21
20 And the rest of the men which were not killed by these plagues yet repented not of the works of their hands, that they should not worship devils, and idols of gold, and silver, and brass, and stone, and of wood: which neither can see, nor hear, nor walk:
21 Neither repented they of their murders, nor of their sorceries, nor of their fornication, nor of their thefts.
Revelation 16:9
9 And men were scorched with great heat, and blasphemed the name of God, which hath power over these plagues: and they repented not to give him glory.
Revelation 16:11
11 And blasphemed the God of heaven because of their pains and their sores, and repented not of their deeds.