In Deut 10:17, God is called 'God of gods and Lord of lords,' acknowledging many so-called gods while affirming Yahweh's supremacy over them.

In Jer 2:11, God laments that His people exchanged Him for 'not gods,' highlighting the emptiness of the many so-called gods mentioned in 1 Cor 8:5.

In Jer 2:28, the many false gods are mocked for being unable to save, reinforcing the powerlessness of the 'many gods and many lords' in 1 Cor 8:5.

Jeremiah 11:13 shows Judah's many altars to Baal — illustrating the reality of many 'gods' Paul acknowledges.

Daniel 5:4 depicts Belshazzar praising many idol gods — a concrete example of the multiple 'gods' Paul references.

Galatians 4:8 states these gods 'by nature are not gods' — reinforcing Paul's point that so-called gods are not real.

Judges 2:13 records Israel serving Baal and Ashtaroth — multiple false gods, echoing Paul's many 'gods'.

Psalm 81:9 forbids having any strange god among you — affirming that these 'gods' are foreign and prohibited.

In Acts 17:23, Paul acknowledges an altar to an unknown god — similar to his recognition of many so-called gods among pagans.

Numbers 21:29 mentions Chemosh, a specific pagan god — one of many 'gods' Paul alludes to.

Judges 16:23 shows Philistines sacrificing to Dagon — a single false god, an example of the many Paul mentions.