It is possible that this situation was influenced by the role played by lamentation priests, who traditionally memorized texts written in the Emesal dialect, in the survival of Ninazu's cult. Other underworld deities, like his son Ningishzida, the deified snake Nirah and the incantation goddess Ningirima, also retained a degree of popularity, likely due to being envisioned as members of Ninazu's court.
The possibility exists that this situation was influenced by the role played by lamentation priests, who traditionally memorized texts written in the Emesal dialect, and helped preserve Ninazu's cult. Other underworld deities, such as his son Ningishzida, Nirah, and Ningirima, also maintained a level of popularity, possibly because they were seen as members of Ninazu's court.