Here's what rhymes with capstay.
day pay stay j bay che dey fj jay payee rj tae bey spay they may way say play re lay today array gay k obey pray ray hay nay prey spray weigh stray sway tray fay fe fray oj slay yea hey ij ley rei sei sleigh whey bj bk drei kc lei rea saute tj tre wei zwei bray dray flay neigh brae cay fey roue shay splay toupee trey outstay away delay display survey clay decay essay gray grey okay ballet betray dismay repay astray valet allay attache bouquet defray disarray disobey fillet ok passe cabaret dossier belay filet byplay moray prepay purvey sachet sorbet hooray overpay sickbay aurae hurray underpay aweigh bobsleigh copay everyday holiday cafe halfway portray underway vertebrae overlay papillae passageway gangway matinee naturae puree replay toothache underlay alleyway getaway lingerie parquet risque soiree souffle workaday caraway carriageway castaway hideaway inveigh airplay nisei patellae soubriquet stowaway noway overplay overstay briquet outplay reweigh umbrae copulae misplay respray anyway convey yesterday interplay runaway cliche faraway naivete protege waterway francais societe crochet croquet fistulae maxillae scapulae sobriquet wordplay cabriolet fibulae giveaway throwaway pleurae resurvey stingray underplay flyaway urethrae caesurae layaway medullae foldaway tearaway lamellae sequelae emigre nebulae breakaway straightaway ricochet takeaway macrame roundelay uvulae cybercafe penumbrae formulae microarray walkaway tarantulae communique trabeculae caravanserais salmonellae companionway