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

御寝小[onesho] bed-wetting
小便をする[shoubenwosuru] to pee
悪戯小僧[itazurakozou] mischievous boy
右小括弧[migishoukakko] closing parenthesis
永小作[eikosaku] perpetual land lease

英小文字[eikomoji] lower-case letters
仮小屋[karigoya] booth
過小[kashou] too small
過小評価[kashouhyouka] underestimation
甘い小説[amaishousetsu] sentimental novel

あっと言う間に[attoiumani] just like that
からと言って[karatoitte] while it may be true that
斯う言う[kouiu] such
して言えば[shiteieba] if I must say (choose)
ずばずば言う[zubazubaiu] to speak one's mind

そうかと言って[soukatoitte] but still
だからと言って[dakaratoitte] while it may be true that
と言うのは[toiunoha] means
と言う物[toiumono] something like ...
とも言う[tomoiu] also called