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

響動めき[doyomeki] commotion
ぴくぴく動く[pikupikuugoku] to jerk
アメーバ運動[ameebaundou] ameboid movement
インディペンデントリビング運動[indipendentoribinguundou] independent living movement
エコロジー運動[ekorojiiundou] ecological movement

エンジン発動機[enjinhatsudouki] engine
クローン動物[kuroondoubutsu] cloned animal
易動度[idoudo] mobility
異動[idou] change
移動[idou] removal

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

行けない[ikenai] wrong
行る[yaru] to send
オリエント急行[orientokyuukou] Orient express
カ行[kagyou] classification for Japanese verb with the dictionary form ending in "ku"
ガ行[gagyou] classification for Japanese verb with the dictionary form ending in "gu"

サ行[sagyou] classification for Japanese verb with the dictionary form ending in "su"
ザ行[zagyou] classification for Japanese verb with the dictionary form ending in "zu"
スパイ行為[supaikoui] espionage
タ行[tagyou] classification for Japanese verb with the dictionary form ending in "tsu"
ダ行[dagyou] classification for Japanese verb with the dictionary form ending in "dzu"