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

ランブル鞭毛虫[ranburubenmouchuu] giardia (flagellate protozoan)
ランブル鞭毛虫症[ranburubenmouchuushou] giardiasis
芦毛[ashige] grey (horse coat color)
育毛剤[ikumouzai] (hair) tonic
一毛[ichimou] one-tenth of a rin

一毛作[ichimousaku] (a) single crop
陰毛[inmou] pubic hair
羽毛[umou] feathers
永久脱毛[eikyuudatsumou] removing hair permanently
褐毛和種[akagewashu] type of Japanese cow