俄に[niwakani] suddenly
俄景気[niwakageiki] temporary boom
俄仕込み[niwakajikomi] hasty preparation
俄仕立て[niwakajitate] extemporary
俄成金[niwakanarikin] overnight millionaire

俄然[gazen] suddenly
俄造り[niwakazukuri] makeshift
俄分限[niwakabungen] mushroom millionaire
俄勉強[niwakabenkyou] cramming
俄盲[niwakamekura] sudden blindness

向きに成る[mukininaru] to become serious
持て成し[motenashi] entertainment
成吉思汗[jingisukan] Japanese mutton and vegetable dish
亜成層圏[aseisouken] substratosphere
成す[nasu] to build up

成手[narite] candidate
育成栽培[ikuseisaibai] vegetable and fruit growing
一気呵成[ikkikasei] finishing writing, work, etc. at a stroke (stretch)
化成[kasei] change
化成工業[kaseikougyou] chemical industry

御金[okane] money
金糸雀[kinshijaku] canary (esp. the island canary, Serinus canaria)
違約金[iyakukin] penalty for contract breach
一刻千金[ikkokusenkin] every moment is precious
一字千金[ichijisenkin] word of great value

一時金[ichijikin] lump sum
一時賜金[ichijishikin] lump-sum grant
引き金を引く[hikiganewohiku] to pull the trigger
引当金[hikiatekin] reserves
隠れ借金[kakureshakkin] hidden debts