冗員[jouin] supernumerary
冗官[joukan] supernumerary official
冗句[jouku] redundant phrase
冗言[jougen] chatter
冗多[jouta] superabundance

冗談[joudan] jest
冗談口[joudanguchi] joke
冗談事[joudangoto] joking matter
冗談抜き[joudannuki] seriously

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