괴물怪物 monster 괴기怪奇 mystery 괴담怪談 spooky story 괴력怪力 superhuman strength 괴벽怪癖 weird habit 괴변怪變 strange incident 괴석怪石 weird stone 괴성怪聲 odd sound 괴소문怪所聞 odd rumor 괴수怪獸 monster 괴질怪疾 unidentified disease 괴한怪漢 suspicious person 기암괴석奇巖怪石 unique rock and bizarre stone 변괴變怪 unusual miseries; weird happening 요괴妖怪 monster; goblin; ghost