御祖父さん[ojiisan] grandfather
御父さん[otossan] father
異父[ifu] same mother, different father
家父長制[kafuchousei] patriarchal authority
外祖父[gaisofu] maternal grandfather

岳父[gakufu] (man's) father-in-law
杜父魚[tofugyo] sculpin (any fish of family Cottidae, inc. the bullheads and the miller's-thumb)
義父[gifu] father-in-law
教父[kyoufu] godfather
継父[keifu] stepfather

イスラム原理主義[isuramugenrishugi] Islamic fundamentalism
白耳義[berugii] Belgium
愛国主義[aikokushugi] nationalism
愛他主義[aitashugi] altruism
意義[igi] meaning

異義[igi] different meaning
一義[ichigi] reason
一義的[ichigiteki] unequivocable
一国一党主義[ikkokuittoushugi] one-party system
印象主義[inshoushugi] impressionism