Genesis 25:21וַיֶּעְתַּר
Later, Isaac prayed to the LORD on behalf of his wife, because she was barren. And the LORD heard his prayer, and his wife Rebekah conceived.
Exodus 8:8הַעְתִּירוּ
Pharaoh summoned Moses and Aaron and said, “Pray to the LORD to take the frogs away from me and my people. Then I will let your people go, that they may sacrifice to the LORD.”
Judges 13:8וַיֶּעְתַּר
Then Manoah prayed to the LORD, “Please, O Lord, let the man of God You sent us come to us again to teach us how to raise the boy who is to be born.”
2 Samuel 21:14וַיֵּעָתֵר
And they buried the bones of Saul and his son Jonathan in Zela in the land of Benjamin, in the tomb of Saul’s father Kish. After they had done everything the king had commanded, God answered their prayers for the land.
2 Chronicles 33:13וַיֵּעָתֶר
And when he prayed to Him, the LORD received his plea and heard his petition. So He brought him back to Jerusalem and to his kingdom. Then Manasseh knew that the LORD is God.
Job 22:27תַּעְתִּיר
You will pray to Him, and He will hear you, and you will fulfill your vows.

Brown-Driver-Briggs

עָתַר pray, supplicate (always to God)

Sources: Brown-Driver-Briggs (1906, public domain) from the Open Scriptures Hebrew Lexicon (CC BY 4.0), glosses from STEPBible TBESH (CC BY 4.0); STEPBible TAHOT (Hebrew Bible, Leningrad Codex, CC BY 4.0); the Berean Standard Bible (public domain). Reformatted by Word Study, wording unchanged. All sources and licenses.