Strong’s Greek
G1845 — exorkistes
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
ἐξορκιστής
exorkistes — pronounced ex-or-kis-tace'
from 1844; one that binds by an oath (or spell), i.e. (by implication) an "exorcist" (conjurer):--exorcist. see GREEK for 1844
1 occurrence in the KJV.
Acts 19:13
Then certain of the vagabond Jews, exorcists, took upon them to call over them which had evil spirits the name of the LORD Jesus, saying, We adjure you by Jesus whom Paul preacheth.