Here's what rhymes with checkstay.
day pay stay j bay che dey fj jay payee rj tae bey spay they may way say play re lay 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 trey copay away today delay survey clay decay essay gray grey okay ballet cafe repay astray valet allay bouquet disarray disobey fillet ok passe cabaret belay filet moray purvey sachet sorbet toupee hooray overpay sickbay aurae hurray outstay aweigh display anyway convey everyday holiday betray dismay halfway attache cliche defray overlay dossier gangway naturae puree replay crochet croquet getaway parquet risque soiree souffle workaday castaway giveaway hideaway inveigh ricochet airplay byplay nisei prepay soubriquet stowaway noway overplay overstay briquet caesurae outplay reweigh umbrae bobsleigh misplay tearaway respray yesterday interplay portray underway vertebrae faraway naivete papillae passageway waterway emigre francais matinee societe toothache underlay alleyway breakaway fistulae lingerie maxillae sobriquet wordplay caraway carriageway fibulae throwaway patellae pleurae resurvey stingray takeaway flyaway urethrae layaway medullae underpay copulae foldaway runaway lamellae protege sequelae microarray nebulae scapulae straightaway cabriolet underplay macrame roundelay uvulae cybercafe penumbrae walkaway formulae tarantulae communique trabeculae salmonellae companionway caravanserais