文蛤[hamaguri] common orient clam (Meretrix lusoria)
馬蛤貝[mategai] razor clam
蛤仔[asari] Manila clam (Ruditapes philippinarum)

蛤御門の変[hamagurigomonnohen] Hamaguri Gomon incident (1864 clash between pro and anti-shogunate forces)
支那蛤[shinahamaguri] Meretrix petechialis (species of hard clam)

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