Psalm 72:8-11 expands the same theme: foreign kings bring tribute and bow down, just as nobles from Egypt and Cush stretch out hands to God.

Psalm 87:4 explicitly names Cush among nations acknowledging God, directly linking to Ethiopia's submission here.

Psalm 102:15 echoes this vision of nations revering God, broadening it to all kings of the earth fearing His glory.

Psalm 88:9 also depicts spreading hands to God in prayer, echoing the posture of Ethiopia's submission.

Psalm 143:6 uses the same hand-spreading gesture in personal prayer, mirroring the nations' worship.

Isaiah 45:14 explicitly mentions Egypt and Cush coming in submission and acknowledging God — nearly identical to the image in Psalm 68:31.

Acts 8:27-40 fulfills this prophecy: an Ethiopian (Cushite) eunuch comes to worship and is baptized — a direct NT fulfillment.

Zephaniah 3:10 says worshipers from beyond the rivers of Cush will bring offerings — a clear echo of Cush stretching out hands to God.

Isaiah 19:18-25 prophesies Egypt and Assyria worshiping God — a direct parallel to Egypt and Cush coming to God in Psalm 68:31.

Jeremiah 16:19 directly parallels this: nations from the ends of the earth come to the LORD, confessing their idols.

Isaiah 49:7 shows kings and princes prostrating before the Servant, paralleling the submission of foreign powers to God's anointed.

Isaiah 49:23 depicts kings bowing to Israel as foster parents, a similar image of foreign rulers serving God's people.

Isaiah 60:6 depicts nations bringing gifts to Zion — a similar theme of foreign worship, though it names Sheba rather than Egypt/Cush.

Isaiah 60:7 continues the imagery of nations bringing offerings to God's altar — a parallel to the tribute from Egypt and Cush.

Isaiah 60:9 describes coastlands bringing tribute to Israel for the LORD's name, akin to envoys from Egypt and Cush submitting.

1 Kings 8:22 shows Solomon spreading his hands in prayer, a parallel gesture to Ethiopia's outstretched hands.

Job 11:13 describes stretching out hands to God in repentance, a gesture shared with Ethiopia's approach.

2 Chronicles 6:12 repeats Solomon's hand-spreading prayer, paralleling the posture of submission in the main verse.