Job 30:27
My bowels boiled, and rested not: the days of affliction prevented me.
Cross-reference
Jeremiah 4:19
Parallel
Jeremiah 4:19 expresses anguished inward turmoil ('my heart is beating wildly'), paralleling Job's churning inward parts.
Lamentations 1:20
Parallel
Lamentations 1:20 says 'my stomach churns; my heart is wrung' — same visceral language as Job's inward turmoil.
Lamentations 2:11
Parallel
Lamentations 2:11 also says 'my stomach churns' from grief, directly echoing Job's description of inner turmoil.