doctor 1320 - didaskalos {did-as'-kal-os}; from 1321; an instructor (genitive case or specially): -- {doctor}, master, teacher.
doctor 3547 - nomodidaskalos {nom-od-id-as'-kal-os}; from 3551 and 1320; an expounder of the (Jewish) law, i.e. a Rabbi: -- {doctor} (teacher) of the law.