Strong's G1139 — δαιμονίζομαι (verb)
daimonizomai (dai-mon-id'-zom-ai) v.
1. to be exercised by a demon
[middle voice from G1142]
KJV: have a (be vexed with, be possessed with) devil(-s) 
Root(s): G1142 
Hebrew root: δαίμων
Occurrences: 13