ἀλληλουϊαallēlouïa

Same root

• הָלַלhâlal · H1984to be clear (orig. of sound, but usually of color); to shine; hence, to make ashow, to boast; and thus to be (clamorously) foolish; to rave; causatively, to celebrate; also to stultify
• יָהּYâhh · H3050Jah, the sacred name

Where it appears

Appears 4 times in the Bible.

• Revelation 19:1 After this, I heard what sounded like a vast crowd in heaven shouting, “Praise the Lord! Salvation and glory and power belong to our God.
• Revelation 19:3 And again their voices rang out: “Praise the Lord! The smoke from that city ascends forever and ever!”
• Revelation 19:4 Then the twenty-four elders and the four living beings fell down and worshiped God, who was sitting on the throne. They cried out, “Amen! Praise the Lord!”
• Revelation 19:6 Then I heard again what sounded like the shout of a vast crowd or the roar of mighty ocean waves or the crash of loud thunder: “Praise the Lord! For the Lord our God, the Almighty, reigns.