nip, graze, bust, crunch, chomp, gnaw, jolt, roll, drag, buck, twitch, strut, rear, nuzzle, bear, plod, nibble, stomp, frolic, canter, gallop, lunge, trot, frisk, bolt, balk (at a jump), clop, sire, blaze, lope, shy, start, froth, prance, pace, nose, race, flick (tail), nudge, munch, lurch, stamp, shake (head), swing (tail/head), rear up, swish (tail), toss (head), slice through, startle, thunder, unseat, prick up (its ears), crib

chomp, haul, buck, kick, deliver, hump, bray, munch, clomp, carry (a load), shift (under a blanket), climb, plod along, dig in, heehaw, trot (off), refuse (to budge), switch, give birth to (a colt)

bump, bounce, tighten, straddle, harness, break, jump, mount, preen, hitch, tether, water, post, canter, sink into (the saddle), groom, curry, train, show, pick (hooves), rein, cinch (a saddle), girth up, yoke, strap up, ride, gallop, parade, saddle, saddle up, bridle, dismount, tack (up), lunge, caracole, cinch, cowboy, geld