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

滑らす[zurasu] to shift
円転滑脱[entenkatsudatsu] suave
滑か[suberaka] smooth (e.g. skin or ground)
滑らす[suberasu] to let something slip
滑り易い[suberiyasui] greasy

滑り寄る[suberiyoru] to slide up to
滑り込む[suberikomu] to slide into (base)
滑り尺[suberijaku] slide rule
滑り入る[suberiiru] to slide into
滑り落ちる[suberiochiru] to slip off