佚書[issho] lost book
佚する[issuru] to lose (a chance)
佚楽[itsuraku] pleasure
安佚[anitsu] (idle) ease

放佚[houitsu] self-indulgence
散佚[sanitsu] being scattered and ultimately lost
淫佚[initsu] debauchery

淫ら[midara] loose
淫行[inkou] obscenity
淫事[inji] lascivious act
淫心[inshin] sexual passion
淫蕩[intou] dissipation

淫賣[inbai] prostitution
淫婦[inpu] woman of loose morals
淫風[inpuu] lewd manners
淫奔[inpon] lewdness
淫乱[inran] debauched