御猪口[ochoko] small cup
片口鰯[katakuchiiwashi] Japanese anchovy (Engraulis japonica)
白口[shiroguchi] white croaker (Pennahia argentata)
悪たれ口[akutareguchi] abuse
悪口雑言[akkouzougon] all kinds of malicious gossip

異口同音[ikudouon] in concert
異口同音に[ikudouonni] in one voice
ひと口[hitokuchi] mouthful
一口商い[hitokuchiakinai] an immediate definite deal
一口同音[ikkudouon] reading in unison

臼砲[kyuuhou] mortar
加農砲[kanouhou] cannon
火砲[kahou] artillery
巨砲[kyohou] huge gun
曲射砲[kyokushahou] howitzer

剣付き鉄砲[kentsukideppou] fixed bayonet
原子砲[genshihou] atomic cannon
午砲[gohou] noon gun
高射砲[koushahou] antiaircraft gun
号砲[gouhou] signal gun

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