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

ローム層[roomusou] stratum of loam
亜成層圏[aseisouken] substratosphere
一層[issou] much more
沖積層[chuusekisou] alluvium
下層[kasou] lower strata (classes)

下層階級[kasoukaikyuu] proletariat
下層社会[kasoushakai] the underworld
下層土[kasoudo] subsoil
化石層[kasekisou] fossil bed
階層[kaisou] class

猶太[yudaya] Judea (southern Palestine)
今猶[imanao] still
執行猶予[shikkouyuuyo] stay of execution
猶更[naosara] all the more
猶子[yuushi] nephew (like a son)

猶予[yuuyo] postponement
猶予なく[yuuyonaku] without delay
昼猶暗い[hirunaokurai] dark even in the daytime
起訴猶予[kisoyuuyo] suspension of indictment