精神【せいしん】
mind, spirit, soul, heart, ethos, attitude, mentality, will, intention, spirit (of a matter), essence, fundamental significance
精密【せいみつ】
precise, exact, detailed, accurate, minute, close
精通【せいつう】
being well versed (in), being well acquainted (with), being familiar (with), having a thorough knowledge (of), being an authority (on), (a boy's) first ejaculation, spermarche, semenarche
精鋭【せいえい】
elite, best, pick, cream of the crop
精巧【せいこう】
elaborate, delicate, exquisite
精力【せいりょく】
energy, vigor, vigour, vitality
精算【せいさん】
exact calculation, squaring of accounts, adjustment
精進【しょうじん】
concentration, diligence, devotion, asceticism, zeal in one's quest for enlightenment, adherence to a vegetarian diet
精液【せいえき】
semen
精華【せいか】
essence, quintessence, flower, glory
丹精【たんせい】
working earnestly, sincerity, diligence, effort, pains
無精【ぶしょう】
indolence, laziness, sloth
精選【せいせん】
careful selection