に於いて[nioite] in
に於ける[niokeru] in
於多福[otafuku] homely woman (esp. one with a small low nose, high flat forehead, and bulging cheeks)
於いて[oite] at
於ける[okeru] in

於戯[aa] Ah!
正義の名に於て[seiginonanioite] in the name of justice
己所不欲勿施於人[onorenohossezarutokorohitonihodokosukotonakare] don't do unto others what you would not have done unto you
此処に於て[kokonioite] now
於かれましては[okaremashiteha] in respect of