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

まず隗より始めよ[mazukaiyorihajimeyo] start with the first step
テキスト開始[tekisutokaishi] start of text
ヘッディング開始[heddingukaishi] start of heading
一部始終[ichibushijuu] full particulars
開始[kaishi] start

月始め[tsukihajime] beginning of month
元始[genshi] origin
元始祭[genshisai] Festival of Origins (January 3)
原始[genshi] origin
原始教会[genshikyoukai] the early church

御終い[oshimai] the end
テキスト終結[tekisutoshuuketsu] end of text
為し終える[nashioeru] to accomplish
為し終わる[nashiowaru] to finish
異常終了[ijoushuuryou] abnormal termination (e.g. of a program)

一部始終[ichibushijuu] full particulars
引用終わり[inyouowari] end of quote
最終[saishuu] last
最終回[saishuukai] last time
最終段階[saishuudankai] final stage

一貫[ikkan] consistency
一貫して[ikkanshite] consistently
一貫性[ikkansei] consistency
一貫番号[ikkanbangou] serial number
看貫[kankan] weighing

貫き通す[tsuranukitoosu] to go through
貫く[tsuranuku] to go through
貫通[kantsuu] pierce
貫徹[kantetsu] accomplishment
貫流[kanryuu] flowing through