妖怪[youkai] ghost
妖術[youjutsu] black magic
妖術者[youjutsusha] magician
妖精[yousei] fairy
妖魔[youma] ghost

妖しい[ayashii] suspicious
妖艶[youen] fascinating
面妖[menyou] weird
妖女[youjo] enchantress
妖気[youki] ghostly

遺精[isei] nocturnal emissions (of semen)
演算精度[enzanseido] operational precision
拡張倍精度[kakuchoubaiseido] extended double-precision
魚精[gyosei] milt
高精度[kouseido] high precision

射精[shasei] ejaculation
受精卵[juseiran] fertilized eggs
出精[shussei] diligence
出無精[debushou] stay at home
精しい[kuwashii] detailed