Verses with the word heavier in the Old Testament (3 verses):
Job 6:3
For now it would be heavier than the sand of the sea: therefore my words are swallowed up.
Job 23:2
Even to day is my complaint bitter: my stroke is heavier than my groaning.
Proverbs 27:3
A stone is heavy, and the sand weighty; but a fool's wrath is heavier than them both.