吾れ[are] I
吾子[ako] my child
吾妹子[wagimoko] my wife
吾人[gojin] we
吾妹[wagimo] my wife

吾亦紅[waremokou] burnet
吾嬬[azuma] east
吾が[waga] my
吾が輩[wagahai] I (nuance of arrogance)
吾ら[warera] we

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