In Job 13:4, Job calls his friends worthless physicians—turning Eliphaz's charge of unprofitable talk back on them.

In Job 16:2, Job calls his friends miserable comforters—a direct rebuke to Eliphaz's charge of unprofitable arguing here.

In Job 11:3, Zophar similarly accuses Job of babble and mockery, directly paralleling Eliphaz's charge here.

In Job 13:5, Job says silence would be wisdom—mirroring Eliphaz's point here that unprofitable talk is worthless.

In Job 26:1-3, Job sarcastically mocks Bildad's counsel as unhelpful—paralleling Eliphaz's charge here that Job's talk is unprofitable.

In Titus 3:9, Paul advises avoiding foolish controversies as unprofitable, akin to Eliphaz's dismissal of empty words.

In 1 Timothy 6:4, Paul describes those with unhealthy craving for word quarrels, paralleling Eliphaz's charge of empty knowledge.