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

河港[kakou] river port
海港[kaikou] port
開港[kaikou] open port
寄港[kikou] stopping at a port
漁港[gyokou] fishing harbour

空港[kuukou] airport
軍港[gunkou] naval port
港口[koukou] harbor entrance
港町[minatomachi] port city