συνεπιμαρτυρέω G4901
synepimartyréō · soon-ep-ee-mar-too-reh'-o · Verb
from σύν and ἐπιμαρτυρέω; to testify further jointly, i.e. unite in adding evidence:--also bear witness.
1 Occurrence in the King James Bible
Hebrews 2:4God also bearing them witness, both with signs and wonders, and with divers miracles, and gifts of the Holy Ghost, according to his own will?