Which preposition to use with blains

on Occurrences 2%

They had just witnessed God's testimony against oppression in the plagues of Egyptthe burning blains on man and beastthe dust quickened into loathsome life, and swarming upon every living thingthe streets, the palaces, the temples, and every house heaped up with the carcases of things

from Occurrences 1%

Then Satan departed from the face of our Lord and smote Job with the worst blotches and blains from the plant of his foot, unto the top of his head, which was made like a lazar [leper] and was cast out and sat on the dunghill.

Which preposition to use with  blains