Verses with the word hoar in the Old Testament (4 verses):

Exodus 16:14
And when the dew that lay was gone up, behold, upon the face of the wilderness there lay a small round thing, as small as the hoar frost on the ground.

1 Kings 2:6
Do therefore according to thy wisdom, and let not his hoar head go down to the grave in peace.

1 Kings 2:9
Now therefore hold him not guiltless: for thou art a wise man, and knowest what thou oughtest to do unto him; but his hoar head bring thou down to the grave with blood.

Isaiah 46:4
And even to your old age I am he; and even to hoar hairs will I carry you: I have made, and I will bear; even I will carry, and will deliver you.