Strong’s Greek
G1324 — Didumos
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
Δίδυμος
Didumos — pronounced did'-oo-mos
prolongation from 1364; double, i.e. twin; Didymus, a Christian:--Didymus. see GREEK for 1364
3 occurrences in the KJV.
John 11:16
Then said Thomas, which is called Didymus, unto his fellow disciples, Let us also go, that we may die with him.
John 20:24
But Thomas, one of the twelve, called Didymus, was not with them when Jesus came.
John 21:2
There were together Simon Peter, and Thomas called Didymus, and Nathanael of Cana in Galilee, and the sons of Zebedee, and two other of his disciples.