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

鳩合[kyuugou] rally
軍用鳩[gunyoubato] carrier pigeon
伝書鳩[denshobato] carrier pigeon
鳩舎[kyuusha] pigeon house
鳩尾[mizuochi] pit of the stomach

鳩首[kyuushu] going into a huddle
鳩派[hatoha] doves
鳩胸[hatomune] pigeon chest (Pectus carinatum, deformity of the chest, protruding ribs and sternum)
斑鳩[ikaru] Japanese grosbeak (Eophona personata)