円寂[enjaku] nirvana
閑寂[kanjaku] quiet
寂しがる[sabishigaru] to miss someone
寂れる[sabireru] to decline (in prosperity)
寂りょう[sekiryou] loneliness

心寂しい[kokorosabishii] lonely
静寂[seijaku] silence
入寂[nyuujaku] death of a priest
幽寂[yuujaku] quiet

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