hoarfrost
2 occurrences across the corpus
King James Version
Psalms 147:16
He giveth snow like wool: he scattereth the hoarfrost like ashes.
KJV Apocrypha (Catholic Deuterocanon)
Sirach (Ecclesiasticus) 43:19
The hoarfrost also as salt he poureth on the earth, and being congealed, it lieth on the top of sharp stakes.