吸血鬼【きゅうけつき】
vampire, bloodsucker
殺人鬼【さつじんき】
bloodthirsty killer, cold-blooded murderer, homicidal maniac
鬼才【きさい】
wizard, genius, remarkable talent, exceptional ability
疑心暗鬼【ぎしんあんき】
suspicion will raise bogies, once you suspect something, everything else will look suspicious, jumping at shadows
鬼気【きき】
ghastly, dreadful
鬼門【きもん】
the northeastern (unlucky) direction, person or thing to be avoided, the demon's gate, weak point, Achilles' heel
鬼子母神【きしもじん】
Hariti (goddess of childbirth and children)