I think that comparison is in controversy, because in these cases the older language didn't stop being spoken while transforming into the newer one. In the Assy

I think that comparison is in controversy, because in these cases the older language didn't stop being spoken while transforming into the newer one. In the Assyrian case, scholars seem confident that ancient Assyrian stopped being spoken entirely some time before the emergence of modern Assyrian and that modern Assyrian can't be viewed as directly derived from ancient Assyrian (although both are Semitic languages).