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

許りに[bakarini] (simply) because
允許[inkyo] permission
運転免許[untenmenkyo] driver's license
奥許し[okuyurushi] secret
仮免許[karimenkyo] temporary license

官許[kankyo] official licence
気を許す[kiwoyurusu] to let one's guard down
許し[yurushi] pardon
許す[yurusu] to permit