which knowest the hearts

Strong’s Dictionary of Greek Words:

Number:
2589 (find all occurrences in KJV Bible)
Greek:
καρδιογνώστης
Transliteration:
kardiognostes
Phonic:
kar-dee-og-noce’-tace
Meaning:
from 2588 and 1097; a heart-knower
KJV Usage:
which knowest the hearts