...or field glasses ?
Sandpaper or glasspaper ?
Sitting room or living room (or lounge, drawing room etc) ?
Cutlery or irons ?
Dining table or dinner table ?
Footpath or pavement (I know, they're not necessarily the same thing) ?
Lead or leash ?
Glass or tumbler ?
Mug or beaker ?
Tea or dinner (or supper) ?
BTW, I don't know anybody who calls binoculars 'field glasses'. It sounds very old school Ministry of Defence!