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

オムツ気触れ[omutsukabure] diaper rash
一触即発[isshokusokuhatsu] critical (touch and go) situation
感触[kanshoku] feel (i.e. tactile sensation)
顔触れ[kaobure] personnel
気に触る[kinisawaru] to hurt one's feelings

気触れる[kabureru] to develop a rash or inflammation (e.g. in response to a skin irritant)
言触らす[iifurasu] to spread a rumor
手触り[tezawari] feel
触る[sawaru] to touch
触れる[fureru] to touch