Strong’s Greek
G2451 — Ioudaikos
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
Ἰουδαϊκός
Ioudaikos — pronounced ee-oo-dah-ee-kos'
from 2453; Judaic, i.e. resembling a Judaean:--Jewish. see GREEK for 2453
1 occurrence in the KJV.
Titus 1:14
Not giving heed to Jewish fables, and commandments of men, that turn from the truth.