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

亜温帯[aontai] subtemperate zone
亜寒帯[akantai] subarctic zone
亜熱帯[anettai] subtropics
安全地帯[anzenchitai] safety zone
衣帯[itai] clothes and obi

一衣帯水[ichiitaisui] (being separated only by a) narrow strip of water
一帯[ittai] region
黄道帯[koudoutai] zodiac
温帯[ontai] temperate zone
下帯[shitaobi] loincloth

悪水[akusui] undrinkable water
井戸水[idomizu] well water
一衣帯水[ichiitaisui] (being separated only by a) narrow strip of water
一水[issui] current (of water)
溢水[issui] inundation

飲水量[insuiryou] amount of drinking
飲料水[inryousui] drinking water
烏の行水[karasunogyouzui] quick bath
雲水[unsui] itinerant priest
塩化水素[enkasuiso] hydrogen chloride

衣蘭[iran] Iran
悪衣[akui] shabby clothes
衣架[ika] clothes rack
衣冠[ikan] kimono and ancient head-dress
衣桁[ikou] clothes rack

衣香[ikou] perfume on the clothing
衣裳[ishou] clothing
衣食[ishoku] food and clothing
衣食住[ishokujuu] necessities of life (food, clothing & shelter)