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

御呪い[omajinai] good luck charm
呪い[noroi] curse
呪い[majinai] charm
呪う[norou] to curse
呪禁[jugon] vanquishing monsters, spirits, etc. with charms

呪術[jujutsu] magic
呪縛[jubaku] curse
呪文[jumon] spell
呪物[jubutsu] fetish
呪物崇拝[jubutsusuuhai] fetishism

あっ縮[asshuku] compression
圧縮空気[asshukukuuki] compressed air
圧縮性[asshukusei] compressibility
圧縮率[asshukuritsu] compressibility
畏縮[ishuku] wince

音声圧縮[onseiasshuku] voice compression
強縮[kyoushuku] tetanus
恐縮[kyoushuku] feeling obliged
凝縮[gyoushuku] condensation
緊縮[kinshuku] shrinkage