間貸し[magashi] renting a room
金貸し[kanekashi] moneylending
耳を貸す[mimiwokasu] to lend an ear to
借り貸し[karikashi] loan
借貸[shakutai] loan

手を貸しましょうか[tewokashimashouka] Can I lend a hand?
信用貸し[shinyougashi] loans without collateral
先貸し[sakigashi] payment in advance
前貸し[maegashi] advance payment
貸し[kashi] loan

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