脊髄[sekizui] spinal cord
脊椎[sekitsui] spine
脊椎動物[sekitsuidoubutsu] vertebrate
猫脊[nekoze] bent back
脊広[sebiro] business suit

脊骨[sebone] spine
脊負う[shou] to be burdened with
無脊椎動物[musekitsuidoubutsu] invertebrate
脊柱[sekichuu] spinal column

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