have.

Luke 18:38, 39
So he called out, "Jesus, Son of David, have mercy on me!" . . .

Matthew 9:27
As Jesus went on from there, two blind men followed Him, crying out, "Have mercy on us, Son of David!"

Matthew 15:22
And a Canaanite woman from that region came to Him, crying out, "Lord, Son of David, have mercy on me! My daughter is miserably possessed by a demon."

Matthew 20:30, 31
And there were two blind men sitting by the roadside. When they heard that Jesus was passing by, they shouted, "Lord, Son of David, have mercy on us!" . . .

Mark 9:22
"It often throws him into the fire or into the water, trying to kill him. But if You can do anything, have compassion on us and help us."