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

是等[korera] these
其等[sorera] those (near the second person)
等閑[naozari] neglect
悪平等[akubyoudou] misguided equality
位階勲等[ikaikuntou] court rank and honors

一等[ittou] first-class
１等軍曹[ittougunsou] sergeant first-class
１等国[ittoukoku] first-class power
１等車[ittousha] first-class carriage (coach)
１等賞[ittoushou] first place prize

ノーベル賞[nooberushou] Nobel prize
ノーベル平和賞[nooberuheiwashou] Nobel peace prize
１等賞[ittoushou] first place prize
恩賞[onshou] reward
佳賞[kashou] approval

勧賞[kanshou] praise and encouragement
観賞[kanshou] admiration
鑑賞[kanshou] appreciation (e.g. of art)
激賞[gekishou] enthusiastic praise
懸賞[kenshou] offering prizes