悍ましい[ozomashii] disgusting
兇悍[kyoukan] heinousness
剽悍[hyoukan] fierceness
勁悍[keikan] strong and fierce

悍馬[kanba] bronco
精悍[seikan] fearless
剽悍無比[hyoukanmuhi] as fierce and nimble as any

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