κενοφωνίαkenophōnía

Same root

• κενόςkenós · G2756empty (literally or figuratively)
• φωνήphōnḗ · G5456a tone (articulate, bestial or artificial); by implication, an address (for any purpose), saying or language

Where it appears

Appears 2 times in the Bible.

• 1 Timothy 6:20 Timothy, guard what God has entrusted to you. Avoid godless, foolish discussions with those who oppose you with their so-called knowledge.
• 2 Timothy 2:16 Avoid worthless, foolish talk that only leads to more godless behavior.