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

筑子[kokiriko] clave-like folk instrument
筑前煮[chikuzenni] chicken stew with taro, carrot, burdock, etc.
筑紫鴨[tsukushigamo] common shelduck (Tadorna tadorna)

筑紫石楠花[tsukushishakunage] Tsukushi rhododendron
筑前[chikuzen] name of ancient country located in the modern Fukuoka prefecture
肥筑方言[hichikuhougen] Japanese dialect from Kyushu