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

安売り[yasuuri] discount
一手販売[ittehanbai] sole agency
淫売[inbai] prostitution
卸売物価指数[oroshiuribukkashisuu] wholesale price index
掛売り[kakeuri] selling on credit

客商売[kyakushoubai] hotel
競争売買[kyousoubaibai] auction
競売[kyoubai] auction
個別販売[kobetsuhanbai] door-to-door selling
公売[koubai] public sale

契り[chigiri] pledge
契る[chigiru] to pledge
契印[keiin] impression of a seal over the joint of two papers
契機[keiki] opportunity
契約[keiyaku] contract

契約期間[keiyakukikan] contract period
契約書[keiyakusho] (written) contract
信託契約[shintakukeiyaku] trust agreement
双務契約[soumukeiyaku] bilateral agreement
二世の契り[nisenochigiri] marriage vows

御手玉[otedama] beanbag
御手上げ[oteage] all over
御手盛り[otemori] making arbitrary decisions which benefit oneself
御手洗い[otearai] toilet
お手伝いさん[otetsudaisan] maid

手子摺る[tekozuru] to have much trouble
引っ手繰り[hittakuri] purse snatching
悪手[akushu] poor move
握手[akushu] handshake
安手[yasude] cheap kind

安全保障条約[anzenhoshoujouyaku] US-Japan Security Treaty
違約[iyaku] breach of contract
違約金[iyakukin] penalty for contract breach
一粒子既約[ichiryuushikiyaku] one particle irreducible (physics)
化学兵器禁止条約[kagakuheikikinshijouyaku] chemical weapons ban treaty

仮条約[karijouyaku] provisional treaty
会う約束[auyakusoku] rendezvous
会員規約[kaiinkiyaku] membership agreement (e.g. for a credit card)
解約[kaiyaku] cancellation of contract
確約[kakuyaku] firm promise

一手販売[ittehanbai] sole agency
卸酒販[oroshishuhan] wholesale alcohol trade
共販[kyouhan] cooperative selling
共販会社[kyouhangaisha] cooperative sales company
個別販売[kobetsuhanbai] door-to-door selling

再販[saihan] resale
再販業者[saihangyousha] reseller
市販[shihan] selling on the market (in the marketplace, in stores, etc.)
自動販売器[jidouhanbaiki] vending machine
自販機[jihanki] vending machine