As a noun talmud
is talmud (collection of jewish writings).
As an adjective mishnaic is
from or referring to the mishnah, the first part of the talmud.
Other Comparisons: What's the difference?
A collection of Jewish writings related to the practical application of Judaic law and tradition (may refer to either the Babylonian Talmud or the shorter Jerusalem Talmud).
From or referring to the Mishnah, the first part of the Talmud.
In those rabbinical scriptures' Archaic form of Hebrew.