Dict: strongs - doctor

Strongs:

G1320 @ διδάσκαλος didaskalos did-as'-kal-os From G1321; an instructor (generally or specifically): - doctor master teacher.

G3547 @ νομοδιδάσκαλος nomodidaskalos nom-od-id-as'-kal-os From G3551 and G1320; an expounder of the (Jewish) law that is a Rabbi: - doctor (teacher) of the law.