Alec, thanks for the post.
Strong's Greek Dictionary
- ??f?? Kephas (Keph?s)
Search for G2786 in KJVSL; in KJV.
??f?? Keph?s, kay-fas'
of Chaldee origin (compare H3710); the Rock; Cephas (i.e. Kepha), a surname of Peter:—Cephas.
Strong's Hebrew Dictionary
- ???? keph (k?ph)
Search for H3710 in KJVSL; in KJV.
???? k?ph, kafe
from H3721; a hollow rock:—rock.