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

柚子[yu] yuzu (species of aromatic Asiatic citron, Citrus junos)
晩白柚[banpeiyu] Citrus grandis
柚胡椒[yuzukoshou] condiment paste made from yuzu zest and chile peppers
柚子坊[yuzubou] swallowtail butterfly larva (a pest of citrus plants)

柚餅子[yubeshi] sweet yuzu-flavoured steamed dumpling
柚香菊[yuugagiku] Japanese aster (Kalimeris pinnatifida)
柚香焼き[yuugayaki] citrus-grilled