Wasn't there an old Metropolitan Police recruiting advert which stated that the difference between a PC and a WPC was about 6 inches.....?
They meant height, but no-one else thought that!
And 6Z3, good grief no, me old mucker – I’ll leave that sort of thing to those of an alternative persuasion!
Far prefer people-formerly-known-as-WRNS in those crisp white shirts and black stockings*, meself!!
*and nothing else.....