stayer, galloper, mudlark, squamosa, zibeline, filly, chaser, maffioso, gelding, upsetter, volitant, peeress, empyreal, piraya, pulsator, glowlamp, mare, cocinero, bolter, boilover, helenus, oedipe, strapper, chartreux, apercu, romneya, larrocha, trotter, claimer, grimthorpe, stablemate, eyecatcher, matamata, campanologist, sentire, tobin bronze, nil desperandum, nacarat, russeting, victress, roman arch, quinella, handicap, voltigeur, reinsman, briareus, volksraad, handicapper, curtana, chorist, scarlet runner, sydneysider, conditioner, steeplechaser, impost, pacer, metric mile, verglas, winkers, horsewoman, gingembre, zoffany, racegoer, grandam, barathea, cue card, gallopin, racehorse, placings, granddam, princelet, apprentice, colt, raider, cargo cult, miracle man, claimers, bel esprit, strong suit, sire, decarchy, medicean, racecourse, vouvray, sprinter, reoppose, railer, grafter, gallops, blinkers, antonius pius, denebola, horseman, jockey, astronomia, cedrus, hurdler, fettle, diesis, furlongs, miler, flete, improvers, exponents, builder, exponent, botanist, exemplar, architect, biographer, discoverer, naturalist, philosopher, reformer, sportsman, apologist, collector, educator, experimenter, patron, translator, adepts

additive, afterthought, annex, annexe, attachment, elongation, extension, softener, wing

benefactor, component, constituent, element, helper

addition, do-gooder, humanitarian