Strong’s Greek
G1499 — ei
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
εἰ
ei — pronounced kai {i kahee
from 1487 and 2532; if also (or even):--if (that), though. see GREEK for 1487 see GREEK for 2532
0 occurrences in the KJV.