Verses with the word hearth in the Old Testament (6 verses):

Genesis 18:6
And Abraham hastened into the tent unto Sarah, and said, Make ready quickly three measures of fine meal, knead it, and make cakes upon the hearth.

Psalms 102:3
For my days are consumed like smoke, and my bones are burned as an hearth.

Isaiah 30:14
And he shall break it as the breaking of the potters' vessel that is broken in pieces; he shall not spare: so that there shall not be found in the bursting of it a sherd to take fire from the hearth, or to take water withal out of the pit.

Jeremiah 36:22
Now the king sat in the winterhouse in the ninth month: and there was a fire on the hearth burning before him.

Jeremiah 36:23
And it came to pass, that when Jehudi had read three or four leaves, he cut it with the penknife, and cast it into the fire that was on the hearth, until all the roll was consumed in the fire that was on the hearth.

Zechariah 12:6
In that day will I make the governors of Judah like an hearth of fire among the wood, and like a torch of fire in a sheaf; and they shall devour all the people round about, on the right hand and on the left: and Jerusalem shall be inhabited again in her own place, even in Jerusalem.