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

悪舌[akuzetsu] evil tongue
三寸の舌[sanzunnoshita] eloquent tongue
舌禍[zekka] slip of tongue
舌鼓を打つ[shitatsuzumiwoutsu] to smack one's lips at
舌先[shitasaki] tip of tongue

舌戦[zessen] war of words
舌っ足らず[shitatarazu] lisping
舌打ち[shitauchi] smacking lips
毒舌[dokuzetsu] wicked tongue