Difference between Rear End and Rump

REAR END vs RUMP: NOUN

Fleshy hindquarters; behind the loin and above the round
The fleshy part of the human body that you sit on
The part of a quadruped that corresponds to the human buttocks
The fleshy hindquarters of an animal.
A cut of beef or veal from the rump.
The buttocks.
The part of a bird's back nearest the tail.
The last or inferior part.
The tail-end of an animal; the hinder parts; the backside or buttocks; technically, the gluteal or uropygial region; the uropygium. See sacrum and uropygium.
Figuratively. the fag-end of a thing.
The end of the backbone of an animal, with the parts adjacent; the buttock or buttocks.
Among butchers, the piece of beef between the sirloin and the aitchbone piece. See Illust. of Beef.
The hind or tail end; a fag-end; a remnant.
The remnant of the Long Parliament after the expulsion by Cromwell in 1648 of those who opposed his purposes. It was dissolved by Cromwell in 1653, but twice revived for brief sessions, ending finally in 1659.
A beefsteak from the rump.
The hindquarters of an animal
A cut of meat from the rump
Remnant, as in rump parliament
A legislature having only a small part of its original membership and therefore being unrepresentative or lacking in authority.

Rump, Tush, Buttocks, Ass, Keister, Bum, Derriere, Seat, Hindquarters, Butt, Posterior, Bottom, Backside, Tail, Rear

Seat, Buns, Prat, Keister, Buttocks, Butt, Bum, Backside, Ass, Derriere, Fanny, Tail, Posterior, Tush, Hindquarters

Rump, Tush, Buttocks, Ass, Keister, Bum, Derriere, Seat, Hindquarters, Butt, Posterior, Bottom, Backside, Tail, Rear

Rear, Seat, Prat, Keister, Buttocks, Butt, Bum, Backside, Ass, Derriere, Fanny, Tail, Posterior, Tush, Hindquarters

The only negative to the tray is the reduction in weight over the rear axle, which has resulted in a noticeably stiffer rear end.
The 105.2kg machine now has a single piece rear end while the rear brake now has an integrated reservoir.
The fuel tank is positioned in front of the rear axle to prevent it from being damaged or ruptured in a rear end impact.
And a new reflector trim bar between the LED rear lights gives the typical rear end of the car even more dynamic character.
The rear end of the Chevrolet crashed into the rear end of the squad car.
These rear end covers are designed to strengthen the rear housing case, specifically in heavy torque situations.
The rear end was squared off featuring large rear quarter windows to eliminate blind spots.
Posi rear end, traction bars, power windows, rear defroster, cruise, tilt wheel, all factory.
If the rear end keeps bouncing, your rear shocks may be worn.
The rear end and rear lights are especially unattractive.

Six feet or more from rump to snout.
MEAT SPECIALS Heavy Steer Face Rump Roast LB.
Buchner NJ, Sanner BM, Borgel J, Rump LC.
One pack contains around a few rump steaks.
Lions Rump, King George Island, South Shetland Islands.
Creek Black Angus rump or roasted beetroot salad.
Not to mention her rump, against my palm.
Utility locating, and a greyish white rump Patch and a greyish white rump Patch forming antlers in the by!
'Rump Steak with Creamy Sweet Mash' For the rump tie it with a string so that its round, yes thats how restaurants do it.
Ronaldo Rump launches his Regenerator into orbit over the Arctic Nature Preserve, planning to turn acres of natural wilderness into Rump Amusement Park!