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

垂迹[suijaku] temporary manifestation by a buddha (in order to save people)
筆迹[hisseki] handwriting
真迹[shinseki] true autograph

事迹[jiseki] evidence
本地垂迹説[honjisuijakusetsu] manifestation theory (holding that Shinto gods are manifestations of buddhas)
迹門[shakumon] first half of the Lotus Sutra, in which the Buddha appears as a spatiotemporally restricted being