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

萎靡[ibi] decline
淫靡[inbi] impurity
風靡[fuubi] overwhelming
靡かす[nabikasu] to seduce

靡かせる[nabikaseru] to fly
靡く[nabiku] to bend
一世風靡[isseifuubi] ruling the times
一世を風靡する[isseiwofuubisuru] take the world by storm