μαρτυρῆσαι martyrēsai — 2 Occurrences
Acts 23:11 - V-ANA
GRK:εἰς Ῥώμην μαρτυρῆσαι
NAS: so you must witness at Rome also.
KJV: must thou bear witness also at
INT: at Rome bear witness
Revelation 22:16 - V-ANA
GRK:ἄγγελόν μου μαρτυρῆσαι ὑμῖν ταῦτα
NAS: My angel to testify to you these things
KJV: angel to testify unto you
INT: angel of me to testify to you these things