Synonyms and related words :
Jehu, ambler, cob, flier, gaited horse, galloper, goer, hell-driver, high-stepper, horse racer, hummer, hustler, jockey, pacer, pad, padnag, prancer, racer, racker, runner, scorcher, side-wheeler, single-footer, sizzler, speed demon, speeder, trotter, turfman