Strong's G4916 · Greek

συνθάπτω

sunthapto · soon-thap'-to

from 4862 and 2290; to inter in company with, i.e. (figuratively) to assimilate spiritually (to Christ by a sepulture as to sin)

Scholarly Lexicons

Abbott-Smith Manual Greek Lexicon

 2 * συν-θάπτω to bury together with : in symbolical sense, of baptism, αὐτῷ ( with Christ ), Ro 6:4 , Col 2:12 .† 

G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain