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

烏犀角[usaikaku] black rhinoceros horn
金木犀[kinmokusei] fragrant olive (Osmanthus fragrans var. aurantiacus)
犀利[sairi] sharp
木犀[mokusei] fragrant olive
銀木犀[ginmokusei] tea olive (Osmanthus fragrans)

白犀[shirosai] white rhinoceros (Ceratotherium simum)
インド犀[indosai] Indian rhinoceros (Rhinoceros unicornis)
一角犀[ikkakusai] great one-horned rhinoceros (Rhinoceros unicornis)
ジャワ犀[jawasai] Javan rhinoceros (Rhinoceros sondaicus)

兎や角言う[toyakakuiu] to say all kinds of things
まっ四角[masshikaku] square
アフリカの角[afurikanotsuno] horn of Africa
一角[ikkaku] corner
一角の人物[hitokadonojinbutsu] somebody (important)

一角獣[ikkakujuu] unicorn
烏犀角[usaikaku] black rhinoceros horn
鋭角[eikaku] acute angle
外角[gaikaku] outside corner
町角[machikado] street corner