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

蔘精[jinsei] essence of ginseng