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

ユーモアの感覚[yuumoanokankaku] sense of humor
哀感[aikan] pathos
悪感[akkan] ill feeling
悪感化[akkanka] evil influence
圧迫感[appakukan] feeling of oppression

易感染性[ikansensei] compromised
異和感[iwakan] uncomfortable feeling
叡感[eikan] emperor's approval
鋭感[eikan] sensitiveness
音感[onkan] sense of sound

一統[ittou] lineage
王統[outou] royal line
系統[keitou] system
系統樹[keitouju] genealogical tree
系統神学[keitoushingaku] systematic theology

系統的[keitouteki] systematic
血統[kettou] lineage
植民地統治[shokuminchitouchi] colonial rule
信任統治制度[shinnintouchiseido] trusteeship system
人口動態統計[jinkoudoutaitoukei] demographic statistics