Word Study
succubus
OXFORD DICTIONARY
succubus, n. (pl. succubi) a female demon believed to have sexual intercourse with sleeping men.
Etymology
LL succuba prostitute, med.L succubus f. succubare (as SUB-, cubare lie)
THESAURUS
succubus
Baba Yaga, Dracula, Frankenstein, Lilith, Satan, Wolf-man, afreet, barghest, bogey, bogeyman, bugaboo, bugbear, cacodemon, daeva, demon, devil, dybbuk, evil genius, evil spirit, fee-faw-fum, fiend, fiend from hell, frightener, genie, genius, ghost, ghoul, gyre, hellion, hobgoblin, holy terror, horror, incubus, jinni, jinniyeh, lamia, monster, nightmare, ogre, ogress, phantom, rakshasa, revenant, satan, scarebabe, scarecrow, scarer, shedu, specter, terror, the undead, vampire, werewolf, yoginiROGET THESAURUS
succubus
Demon
N demon, daemon, demonry, demonology, evil genius, fiend, familiar, daeva, devil, bad spirit, unclean spirit, cacodemon, incubus, Eblis, shaitan, succubus, succuba, Frankenstein's monster, Titan, Shedim, Mephistopheles, Asmodeus, Moloch, Belial, Ahriman, fury, harpy, Friar Rush, vampire, ghoul, afreet, barghest, Loki, ogre, ogress, gnome, gin, jinn, imp, deev, lamia, bogie, bogeyman, bogle, nis, kobold, flibbertigibbet, fairy, brownie, pixy, elf, dwarf, urchin, Puck, Robin Goodfellow, leprechaun, Cluricaune, troll, dwerger, sprite, ouphe, bad fairy, nix, nixie, pigwidgeon, will-o'-the wisp, ghost, revenant, specter, apparition, spirit, shade, shadow, vision, hobglobin, goblin, orc, wraith, spook, boggart, banshee, loup-garou, lemures, evil eye, merman, mermaid, merfolk, siren, satyr, faun, manito, manitou, manitu, possession, demonic possession, diabolic possession, insanity, Maxwell's demon, demoniac, demonic, demonical, impish, demoniacal, fiendish, fiend-like, supernatural, weird, uncanny, unearthly, spectral, ghostly, ghost-like, elfin, elvin, elfish, elflike, haunted, pokerish, possessed, possessed by a devil, possessed by a demon, demonically.For further exploring for "succubus" in Webster Dictionary Online