衿元[erimoto] front of neck
衿足[eriashi] nape of neck
衿裏[eriura] lining of the collar
半衿[haneri] neckpiece (on a kimono)

衿芯[erishin] collar core (stiff fabric, etc. inside a collar)
衿下[erishita] usu. the drop between collar and bottom hem on kimono, yukata, etc.
衿先[erisaki] collar points

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