外柔内剛[gaijuunaigou] gentle but firm
吸金剛[kokongou] Hevajra
金剛[kongou] vajra (indestructible substance)
金剛薩堕[kongousatta] Vajrasattva
金剛手[kongoushu] Vajrapani

金剛石[kongouseki] diamond
剛の者[gounomono] very strong person
剛臆[gouoku] bravery and cowardice
剛果[gouka] valor and decisiveness (valour)
剛毅[gouki] fortitude

加特力[katorikku] Catholic (church)
キー入力[kiinyuuryoku] key (input)
苦力[kuurii] coolie
握力[akuryoku] grip (of hand)
圧力[atsuryoku] stress

圧力計[atsuryokukei] manometer
圧力団体[atsuryokudantai] pressure group
圧力調整器[atsuryokuchouseiki] pressure regulator
圧力鍋[atsuryokunabe] pressure cooker
圧力波[atsuryokuha] pressure wave

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