1) Butt 2) Duff 3) Exclusively Anglo word 4) Exclusively Saxon word 5) Fanny, to some 6) Keister 7) Manush of baseball 8) Rear 9) Something to fall back on 10) Tush 11) Tushy 12) Word of purely Anglo origin 13) Word with Anglo-Saxon origins 1) Can 2) Duff 3) Patoot 4) Tush 
Heinie is American slang for the backside, buttocks.