Strong’s Greek
G4899 — suneklektos
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
συνεκλεκτος
suneklektos — pronounced soon-ek-lek-tos'
from a compound of 4862 and 1586; chosen in company with, i.e. co-elect (fellow Christian):--elected together with. see GREEK for 4862 see GREEK for 1586
1 occurrence in the KJV.
1 Peter 5:13
The church that is at Babylon, elected together with you, saluteth you; and so doth Marcus my son.