O

off island
off island experience, off-islander

off-the-wall

oil burner

oil lamp

oiler

oil mop

oil stove

oil truck

old age pension

old country

olden days

oldie

old timer

one-horse sleigh

one-room school

one-room school [variations]
one-room, one-roomer, one-room class, one-room schoolhouse, one-room schoolroom

orange pekoe coal

other place

outhouse