genie

afreet (or afrit), jinni (or jinn)

cacodemon, demon, devil, fiend, ghost, ghoul, ghoulie, imp, shaitan

hag [archaic], lamia, vampire

incubus, nightmare, succubus

apparition, banshee, bogey (also bogie), bugbear, familiar, familiar spirit, genius, phantasm (also fantasm), phantom, poltergeist, shade, shadow, specter (or spectre), spook, vision, wraith

brownie, dwarf, elf, faerie (also faery), fairy, fay, gnome, goblin, gremlin, hobgoblin, kobold, leprechaun, pixie (also pixy), puck, sprite, troll

monster, ogre