皆済[kaisai] settlement
完済[kansai] full payment
気が済む[kigasumu] to be satisfied
規模の経済[kibonokeizai] economies of scale
救済[kyuusai] relief

救済策[kyuusaisaku] relief measure
救済者[kyuusaisha] savior
共済[kyousai] mutual aid
共済組合[kyousaikumiai] cooperative society
共同救済基金[kyoudoukyuusaikikin] community chest