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

愛飲[aiin] usual drink
一飲み[hitonomi] swallowing in one gulp
一気に飲む[ikkininomu] to drink in one gulp
飲みで[nomide] more than enough
飲みくだす[nomikudasu] to swallow

飲みまわす[nomimawasu] to pass the cup round
飲みまわる[nomimawaru] to go on a pub-crawl
飲みほす[nomihosu] to drink up
飲口[nomikuchi] taste (of a liquid, esp. alcoholic beverages)
飲手[nomite] heavy drinker