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

御握り[onigiri] rice ball (often triangular, sometimes with a filling and wrapped in nori)
握らす[nigirasu] to let (someone) take hold of your hand
握り[nigiri] grasping
握り屋[nigiriya] miser
握りずし[nigirizushi] nigirizushi

握り潰し[nigiritsubushi] shelving
握りしめる[nigirishimeru] to grasp tightly
握る[nigiru] to clasp
握手[akushu] handshake
握斧[akufu] hand-axe