7 distinct Hebrew words appear in this verse.

• Covenant
• Prayer
• Word of God

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

• 1Sam 3:4 — That the LORD called Samuel: and he answered, Here am I.
• 1Sam 3:10 — And the LORD came, and stood, and called as at other times, Samuel, Samuel. Then Samuel answered, Speak; for thy servant heareth.
• 2Chr 26:5 — And he sought God in the days of Zechariah, who had understanding in the visions of God: and as long as he sought the LORD, God made him to prosper.
• Acts 9:4 — And he fell to the earth, and heard a voice saying unto him, Saul, Saul, why persecutest thou me?
• Acts 9:10 — And there was a certain disciple at Damascus, named Ananias; and to him said the Lord in a vision, Ananias. And he said, Behold, I am here, Lord.
• Acts 10:3 — He saw in a vision evidently about the ninth hour of the day an angel of God coming in to him, and saying unto him, Cornelius.
• Acts 10:13 — And there came a voice to him, Rise, Peter; kill, and eat.
• Acts 16:9 — And a vision appeared to Paul in the night; There stood a man of Macedonia, and prayed him, saying, Come over into Macedonia, and help us.
• Dan 2:19 — Then was the secret revealed unto Daniel in a night vision. Then Daniel blessed the God of heaven.
• Dan 7:1 — In the first year of Belshazzar king of Babylon Daniel had a dream and visions of his head upon his bed: then he wrote the dream, and told the sum of the matters.
• Exod 2:24 — And God heard their groaning, and God remembered his covenant with Abraham, with Isaac, and with Jacob.
• Exod 3:3 — And Moses said, I will now turn aside, and see this great sight, why the bush is not burnt.
• Exod 3:4 — And when the LORD saw that he turned aside to see, God called unto him out of the midst of the bush, and said, Moses, Moses. And he said, Here am I.
• Ezek 1:1 — Now it came to pass in the thirtieth year, in the fourth month, in the fifth day of the month, as I was among the captives by the river of Chebar, that the heavens were opened, and I saw visions of Go
• Gen 15:1 — After these things the word of the LORD came unto Abram in a vision, saying, Fear not, Abram: I am thy shield, and thy exceeding great reward.
• Gen 15:1 — After these things the word of the LORD came unto Abram in a vision, saying, Fear not, Abram: I am thy shield, and thy exceeding great reward.
• Gen 15:13 — And he said unto Abram, Know of a surety that thy seed shall be a stranger in a land that is not theirs, and shall serve them; and they shall afflict them four hundred years;
• Gen 22:1 — And it came to pass after these things, that God did tempt Abraham, and said unto him, Abraham: and he said, Behold, here I am.
• Gen 22:11 — And the angel of the LORD called unto him out of heaven, and said, Abraham, Abraham: and he said, Here am I.
• Gen 31:3 — And the LORD said unto Jacob, Return unto the land of thy fathers, and to thy kindred; and I will be with thee.
• Gen 31:11 — And the angel of God spake unto me in a dream, saying, Jacob: And I said, Here am I.
• Gen 35:9 — And God appeared unto Jacob again, when he came out of Padanaram, and blessed him.
• Heb 1:1 — God, who at sundry times and in divers manners spake in time past unto the fathers by the prophets,
• Job 4:13 — In thoughts from the visions of the night, when deep sleep falleth on men,
• Job 33:14 — For God speaketh once, yea twice, yet man perceiveth it not.
• Judg 7:9 — And it came to pass the same night, that the LORD said unto him, Arise, get thee down unto the host; for I have delivered it into thine hand.
• Num 12:6 — And he said, Hear now my words: If there be a prophet among you, I the LORD will make myself known unto him in a vision, and will speak unto him in a dream.
• Num 12:6 — And he said, Hear now my words: If there be a prophet among you, I the LORD will make myself known unto him in a vision, and will speak unto him in a dream.
• Num 24:4 — He hath said, which heard the words of God, which saw the vision of the Almighty, falling into a trance, but having his eyes open:
• Ps 105:23 — Israel also came into Egypt; and Jacob sojourned in the land of Ham.