絢爛[kenran] gorgeous
粲爛[sanran] brilliant
天真爛漫[tenshinranman] naivete
爛らかす[tadarakasu] to cause to be inflamed
爛れる[tadareru] to be sore

爛死[ranshi] burning to death
爛熟[ranjuku] overripeness
爛熳[ranman] glorious
糜爛[biran] inflammation
糜爛性[biransei] irritating