rear end, derriere, rear, backside, down, slow, behindhand, seat, fundament, tail end, more...

ahead, front, before, forward, leading

butt, bum, rear, derriere, rump, rudder, rumpus, rear end, more...

left, close, little, more, open, right, farthest, long, dead, past, broadest

be at the back of,   in back of,   back, in a way,   hidden by,   on the heels,   to the rear,   not until after,   in back,   over the shoulder,   on your tail