|Why you say Jehovah God? Me no get!|
[Note, the questioner deleted his question soon after I answered, and I was the only one who answered. His description of his question is restructured from his similar question he asked me on this Q&A under Gloria's answer.]
Is Jehovah God a different god from God? Or are you using Jehovah as some kind of first name; like Jesus God, Holy spirit God, or Father God?
My answerJehovah (Psalm 83:18) is the Almighty God who is the Father. Jesus declared that the Father person is the “only true God” in John 17:1-5 in accords with divine revelation seen in Deuteronomy 32:6, Isaiah 63:16, 64:8, Jeremiah 31:9, Psalm 89:26 and Malachi 2:10, which all in one way or another identify God or Jehovah as the Father.
Biblical monotheism is...
[To this, the questioner replied here under Gloria's answer:]
Why not just say Father, or God? Why Jehovah God?
Because that's his name, used some 7,000 times in the OT. For instance, see: Psalm 83:18.