ちょっと一杯[chottoippai] let's have a quick drink
ばつ一[batsuichi] being once divorced
一向[hitaburu] nothing but
サラダ一皿[saradahitosara] plate of salad

安全第一[anzendaiichi] safety first
一か八か[ichikabachika] sink or swim
一っ走り[hitoppashiri] spin (as in 'take a car for a spin')
一つ一つ[hitotsuhitotsu] one-by-one

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