Abbott-Smith Manual Greek Lexicon
συν-σταυρόω (G4957)
5 * συν-σταυρόω (Rec. συσ- ), -ῶ , to crucify together with : pass., c. dat., Jo 19:32 ; id. seq. σύν , Mt 27:44 , Mk 15:32 . Metaph., of the mystical death of the Christian with Christ: Ro 6:6 , Ga 2:20 (Eccl.).†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain