過剰[kajou] excess
過剰利益[kajourieki] excess profit
自信過剰[jishinkajou] overconfident
剰員[jouin] surplus people
剰費[jouhi] unnecessary expenses

剰余[jouyo] surplus
剰余金[jouyokin] surplus
剰す[amasu] to save
余剰[yojou] redundant
出生過剰[shusshoukajou] excessive birth (rate)

維持費[ijihi] maintenance costs
運動費[undouhi] campaign fund
加工費[kakouhi] processing cost
会費[kaihi] membership fee
学費[gakuhi] tuition

官費[kanpi] government expense
巨費[kyohi] great cost
共益費[kyouekihi] monthly fee for common areas of an apartment building (lighting, etc.)
教材費[kyouzaihi] teaching material fees
区費[kuhi] ward expenses