Wiktionary
subworlds
n. (plural of subworld English)
Usage examples of "subworlds".
And, conceivably, the subworlds were populated according to Undle Ninefingers' suggestion, which holds that the demons arose as a "spiritual distillate" of human evil, a "coagulation" of psychic energies into the material entities we know today.
He'd sworn his life away, and it stood forfeit by all laws known in this world and the subworlds alike.
She told Barnar that the fastest being, in the upper world and the subworlds alike, is a basiliscus.
In the subworlds, the merciless seethe of appetites never simmers down.