Psalm 34:6 describes a poor man crying to the Lord and being saved — the same pattern of crying out for mercy as in Psalm 30:8.

Psalm 77:1 also cries aloud to God, expecting to be heard — a direct parallel to the plea for mercy in Psalm 30:8.

Psalm 130:1 echoes the same cry from the depths, showing a consistent theme of desperate prayer to the Lord.

Psalm 130:2 continues the plea for God to hear supplications, directly paralleling the act of making supplication.

Psalm 66:17 explicitly states crying to God with the mouth, directly mirroring the supplication in Psalm 30:8.

Psalm 107:19 describes crying to the Lord in trouble, a clear parallel to the psalmist's cry for help.

Psalm 116:4 records calling on the Lord's name with a plea for deliverance, matching the supplication theme.

Psalm 120:1 adds that God answers when called upon in distress, echoing the cry for mercy in the main verse.