British English (O)

British only	American	Deutsch
OAP (Old Age Pensioner)	Senior Citizen	der Senior
off-the-peg	off-the-rack	von der Stange
offal	entrails, innards*	die Innereien
other ranks	enlisted ranks	Unteroffiziere

                                                           
                                                             *giblets (Poultry) (Geflügel-)Innereien