We have
Exodus 9:27
And Pharaoh sent, and called for Moses and Aaron, and said unto them, I have sinned this time: the LORD is righteous, and I and my people are wicked.
Exodus 9:28
Intreat the LORD (for it is enough) that there be no more mighty thunderings and hail; and I will let you go, and ye shall stay no longer.
1 Samuel 12:19
And all the people said unto Samuel, Pray for thy servants unto the LORD thy God, that we die not: for we have added unto all our sins this evil, to ask us a king.
1 Samuel 15:24
And Saul said unto Samuel, I have sinned: for I have transgressed the commandment of the LORD, and thy words: because I feared the people, and obeyed their voice.
1 Samuel 15:30
Then he said, I have sinned: yet honour me now, I pray thee, before the elders of my people, and before Israel, and turn again with me, that I may worship the LORD thy God.
Psalm 78:34
When he slew them, then they sought him: and they returned and enquired early after God.
Matthew 27:4
Saying, I have sinned in that I have betrayed the innocent blood. And they said, What is that to us? see thou to that.
pray
Exodus 8:8
Then Pharaoh called for Moses and Aaron, and said, Intreat the LORD, that he may take away the frogs from me, and from my people; and I will let the people go, that they may do sacrifice unto the LORD.
Exodus 8:28
And Pharaoh said, I will let you go, that ye may sacrifice to the LORD your God in the wilderness; only ye shall not go very far away: intreat for me.
1 Kings 13:6
And the king answered and said unto the man of God, Intreat now the face of the LORD thy God, and pray for me, that my hand may be restored me again. And the man of God besought the LORD, and the king's hand was restored him again, and became as it was before.
Jeremiah 37:3
And Zedekiah the king sent Jehucal the son of Shelemiah and Zephaniah the son of Maaseiah the priest to the prophet Jeremiah, saying, Pray now unto the LORD our God for us.
Acts 8:24
Then answered Simon, and said, Pray ye to the Lord for me, that none of these things which ye have spoken come upon me.
James 5:16
Confess your faults one to another, and pray one for another, that ye may be healed. The effectual fervent prayer of a righteous man availeth much.
And Moses
Numbers 11:2
And the people cried unto Moses; and when Moses prayed unto the LORD, the fire was quenched.
Numbers 14:17-20
17
And now, I beseech thee, let the power of my Lord be great, according as thou hast spoken, saying,
18
The LORD is longsuffering, and of great mercy, forgiving iniquity and transgression, and by no means clearing the guilty, visiting the iniquity of the fathers upon the children unto the third and fourth generation.
19
Pardon, I beseech thee, the iniquity of this people according unto the greatness of thy mercy, and as thou hast forgiven this people, from Egypt even until now.
20
And the LORD said, I have pardoned according to thy word:
Genesis 20:7
Now therefore restore the man his wife; for he is a prophet, and he shall pray for thee, and thou shalt live: and if thou restore her not, know thou that thou shalt surely die, thou, and all that are thine.
Exodus 32:11
And Moses besought the LORD his God, and said, LORD, why doth thy wrath wax hot against thy people, which thou hast brought forth out of the land of Egypt with great power, and with a mighty hand?
Exodus 32:30
And it came to pass on the morrow, that Moses said unto the people, Ye have sinned a great sin: and now I will go up unto the LORD; peradventure I shall make an atonement for your sin.
Deuteronomy 9:20
And the LORD was very angry with Aaron to have destroyed him: and I prayed for Aaron also the same time.
Deuteronomy 9:26-29
26
I prayed therefore unto the LORD, and said, O Lord GOD, destroy not thy people and thine inheritance, which thou hast redeemed through thy greatness, which thou hast brought forth out of Egypt with a mighty hand.
27
Remember thy servants, Abraham, Isaac, and Jacob; look not unto the stubbornness of this people, nor to their wickedness, nor to their sin:
28
Lest the land whence thou broughtest us out say, Because the LORD was not able to bring them into the land which he promised them, and because he hated them, he hath brought them out to slay them in the wilderness.
29
Yet they are thy people and thine inheritance, which thou broughtest out by thy mighty power and by thy stretched out arm.
1 Samuel 12:20-23
20
And Samuel said unto the people, Fear not: ye have done all this wickedness: yet turn not aside from following the LORD, but serve the LORD with all your heart;
21
And turn ye not aside: for then should ye go after vain things, which cannot profit nor deliver; for they are vain.
22
For the LORD will not forsake his people for his great name's sake: because it hath pleased the LORD to make you his people.
23
Moreover as for me, God forbid that I should sin against the LORD in ceasing to pray for you: but I will teach you the good and the right way:
Job 42:8
Therefore take unto you now seven bullocks and seven rams, and go to my servant Job, and offer up for yourselves a burnt offering; and my servant Job shall pray for you: for him will I accept: lest I deal with you after your folly, in that ye have not spoken of me the thing which is right, like my servant Job.
Job 42:10
And the LORD turned the captivity of Job, when he prayed for his friends: also the LORD gave Job twice as much as he had before.
Psalm 106:23
Therefore he said that he would destroy them, had not Moses his chosen stood before him in the breach, to turn away his wrath, lest he should destroy them.
Jeremiah 15:1
Then said the LORD unto me, Though Moses and Samuel stood before me, yet my mind could not be toward this people: cast them out of my sight, and let them go forth.
Romans 10:1
Brethren, my heart's desire and prayer to God for Israel is, that they might be saved.