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

円規[enki] pair of compasses
価格規制[kakakukisei] price control
会員規約[kaiinkiyaku] membership agreement (e.g. for a credit card)
会規[kaiki] society by-laws
回線制御規則[kaisenseigyokisoku] line discipline

規格[kikaku] standard
規格化[kikakuka] standardization
規格原案[kikakugenan] standards draft
規準化[kijunka] normalization
規制[kisei] regulation