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

雨子[amago] land-locked variety of red-spotted masu trout (Oncorhynchus masou ishikawae)
御菓子[okashi] confections
お子さん[okosan] (someone else's) child
お子様[okosama] child (someone else's)
山梔子[kuchinashi] Cape jasmine (Gardenia jasminoides)

させ子[saseko] whore
梃子摺る[tekozuru] to have much trouble
螺子回し[nejimawashi] screwdriver
硝子[garasu] glass
獅子女[sufinkusu] sphinx

拍手を打つ[kashiwadewoutsu] to clap one's hands in prayer
口拍子[kuchibyoushi] counting time orally
三拍子[sanbyoushi] triple time (music)
手拍子[tebyoushi] beating time
心拍[shinpaku] heart rate

二拍子[nibyoushi] duple meter
拍子木[hyoushigi] wooden clappers
拍車[hakusha] (riding) spur
拍車をかける[hakushawokakeru] to spur (on)
拍手[hakushu] clapping hands