満更夢ではない[manzarayumedehanai] not altogether a dream
悪夢[akumu] nightmare
一炊の夢[issuinoyume] an empty dream
一夢[ichimu] (a) dream
旧夢[kyuumu] ancient dream

凶夢[kyoumu] bad dream
初夢[hatsuyume] year's first dream
酔生夢死[suiseimushi] idling one's life away
正夢[masayume] dream that comes true

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