Glabrezu is a lesser-known term, but it is a demon, usually found in the mythological writings of Dungeons and Dragons. Synonyms to this word that can be used interchangeably include "demon," "devil," "monster," "fiend," "creature," "specter," "ghost," "ghoul," and "spirit." While each of these words carries slightly different connotations, they can be used synonymously with glabrezu in many contexts. For example, one could say "the party encountered a group of glabrezus in the dungeon," or "the creature they encountered was a fearsome demon, so powerful that it took on the form of a glabrezu." Each word carries its own unique meaning but can be used interchangeably to describe this specific type of demon.