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

何の位[donogurai] how long
リーダーシップ的地位[riidaashipputekichii] leadership position
安定同位体[anteidouitai] stable isotope
位階[ikai] court rank
位階勲等[ikaikuntou] court rank and honors

位冠[ikan] ancient headgear showing rank
位官[ikan] rank and official position
位記[iki] court rank diploma
位記追贈[ikitsuisou] conferment of posthumous rank

垂迹[suijaku] temporary manifestation by a buddha (in order to save people)
筆迹[hisseki] handwriting
真迹[shinseki] true autograph

事迹[jiseki] evidence
本地垂迹説[honjisuijakusetsu] manifestation theory (holding that Shinto gods are manifestations of buddhas)
迹門[shakumon] first half of the Lotus Sutra, in which the Buddha appears as a spatiotemporally restricted being