蛍光塗料[keikoutoryou] fluorescent paint
蛍光物質[keikoubusshitsu] fluorescent substance
蛍狩り[hotarugari] firefly catching
蛍雪の功[keisetsunokou] the fruit of diligent study
蛍火[hotarubi] light of a firefly

蛍光[keikou] fluorescence
蛍光燈[keikoutou] fluorescent lamp
蛍烏賊[hotaruika] firefly squid (Watasenia scintillans)
蛍石[hotaruishi] fluorite

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