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

化膿[kanou] suppuration
化膿菌[kanoukin] pyogenic bacteria
歯槽膿漏[shisounourou] periodontitis
蓄膿症[chikunoushou] empyema
膿む[umu] to fester

膿疱[nouhou] pustule
膿瘍[nouyou] boil
血膿[chiumi] bloody pus
膿汁[noujuu] pus