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

姫鱒[himemasu] kokanee (landlocked variety of sockeye salmon, Oncorhynchus nerka)
河鱒[kawamasu] brook trout (Salvelinus fontinalis)
紅鱒[benimasu] sockeye salmon (Oncorhynchus nerka)
小豆鱒[azukimasu] rock cod
虹鱒[nijimasu] rainbow trout (Oncorhynchus mykiss)

樺太鱒[karafutomasu] pink salmon (Oncorhynchus gorbuscha)
小鱒[komasu] baby trout
塩鱒[shiomasu] salted mackerel
国鱒[kunimasu] Oncorhynchus nerka kawamurae (rare Japanese subspecies of sockeye salmon)