Caboose is from Middle Dutch “KABHUIS” which is a cabin on a ships deck sometimes used as a cookhouse, also see KABHUSE in lower German, Also called: crummy, hack, waycar, dog house, go-cart, glory wagon, van, cabin car, bobber and many other terms too profane to appear in print.
CABEESE: This particular term is universally used in an attempt at humour.
Lived in big railway town and never heard a caboose referred to as anything but a caboose.
CABOOSES is correct. I just wish I owned one.