passkey

n (a) key to a door or gate given to people who have a right to enter 专用钥匙（给予有权进入某处者持有）. (b) =master-key (master1).

passage, passbook, passe, passenger, passer-by, passerby, passim, passing, passion, Passion Sunday, Passion Week, passion-flower, passion-fruit, passion-play, passionate, passionately, passive, passive resistance, passively, passivity, Passover, passport, password, password (also watchword), past, past question, past-due, pasta, paste, paste-up, pasteboard, pastel, pastern, pasteurization, pasteurisation, pasteurize, pasteurise, pastiche, pastille, pastime, pasting, pastor,