We don't have synonyms for tannaim yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are tannaic and tanaim.
(N) :
(Amoraic Hebrew: "repeaters", "teachers", singular tanna , borrowed from Aramaic) the rabbinic sages whose views are recorded in the Mishnah, from approximately 10–220 CE.
(N) :
(Amoraic Hebrew: "repeaters", "teachers", singular tanna , borrowed from Aramaic) the rabbinic sages whose views are recorded in the Mishnah, from approximately 10–220 CE.