Here's what rhymes with investigatory.
chary dory story sorry storey derogatory hoary lorry purgatory starry gory sari amatory corrie glory respiratory statutory oratory quarry dilatory expository pylori safari chicory nugatory suppository offertory satori thesauri vapory vapoury category territory auditory allegory inhibitory obligatory dormitory migratory predatory promontory secretory desultory oscillatory repertory signatory dedicatory gustatory laudatory lavatory prefatory accusatory hortatory adulatory aleatory crematory minatory calamari placatory laboratory inventory regulatory mandatory ambulatory circulatory repository transitory anticipatory depository excretory observatory promissory declaratory defamatory rotatory vibratory declamatory deprecatory expiatory interlocutory interrogatory adjudicatory confiscatory exclamatory exculpatory innovatory masturbatory supererogatory judicatory signori depilatory salutatory explanatory inflammatory preparatory exploratory retaliatory celebratory hallucinatory prohibitory reformatory commendatory condemnatory consolatory ejaculatory subcategory vainglory multistory multistorey compensatory conciliatory participatory congratulatory initiatory propitiatory circumlocutory discriminatory contributory noninflammatory nondiscriminatory noncontributory Words that almost rhyme with investigatory
jolly poly dolly folly volley trolley holly collie golly lolly molly crawly integrally duopoly prodigally maniacally melancholy musicale body party barley poppy posse tardy tawny balmy bawdy bonny chalky jockey parley tarsi tawdry boggy bonnie bossy choppy doughty palmy potty talkie toddy bobby doggie doggy toffee balky dodgy dotty johnny baccy barmy darkie dorky podgy talky coffee copy forty partly rocky hardy hearty larvae lobby stormy darkly donkey haughty hobby palsy sorely foggy gaudy hockey horny khaki marshy mossy naughty paltry parsley thorny brawny carpi cocky jaunty knotty portly saucy shoddy soggy sortie starchy stocky corny karate mammy mommy spotty tartly warty boxy gauzy gawky harpy knobby sporty stodgy trochee washy blarney colossi cony horsey paunchy rani saki tautly commie gamey gnarly hibachi horsy pongee shorty soppy stogie hardly largely sharply shortly broadly lofty quasi calmly embody faulty laundry proxy warmly wrongly courtly glossy godly harshly hotly nobly sparsely bronchi coarsely epoxy floppy lordly motley salty sloppy swarthy colliery dropsy frothy hoarsely starkly baldly cockney divorcee fourthly groggy salami zombie blotchy foxy honky snotty tatami virtuosi wanly cloche jalopy origami paparazzi raunchy sparkly swami zloty smarmy smarty smoggy snobby softy strongly hierarchy costly softly falsely fondly oligarchy frosty literati smartly swampy ungodly staunchly thrombi tsunami crossly heterodoxy scrawny vulgarly demagogy forlornly kamikaze prelacy suavely thalami swanky horsefly kohlrabi pastrami splotchy squashy everybody antibody promptly orthodoxy patriarchy photocopy commonalty multiparty personalty staphylococci matriarchy fricassee mariachi diamante hypothalami uniformly streptococci pianoforte scapegrace nonchalantly caravanserai