烏龍茶[uuroncha] oolong tea
烏の行水[karasunogyouzui] quick bath
烏の濡れ羽色[karasunonurebairo] glossy black (hair)
烏羽玉[ubatama] jet black
烏羽色[karasubairo] glossy black

烏貝[karasugai] cockscomb pearl mussel (Cristaria plicata)
烏金[karasugane] money lent at daily interest
烏口[karasuguchi] ruling pen
烏合の衆[ugounoshuu] disorderly crowd

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