Strong’s Greek
G875 — aphrizo
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
ἀφρίζω
aphrizo — pronounced af-rid'-zo
from 876; to froth at the mouth (in epilepsy):--foam. see GREEK for 876
2 occurrences in the KJV.
Mark 9:18
And wheresoever he taketh him, he teareth him: and he foameth, and gnasheth with his teeth, and pineth away: and I spake to thy disciples that they should cast him out; and they could not.
Mark 9:20
And they brought him unto him: and when he saw him, straightway the spirit tare him; and he fell on the ground, and wallowed foaming.