Here's what rhymes with certificator.
cater gator gaiter later greater waiter crater hater pater rater skater grater dater tater creator equator oscillator traitor educator alligator navigator debater freighter straighter violator adjudicator prater collator dedicator sedater operator indicator elevator dictator agitator curator insulator originator applicator aviator decorator imitator innovator instigator levator obturator rotator escalator animator detonator percolator annotator duplicator fornicator headwaiter pollinator vindicator dumbwaiter gyrator litigator prevaricator adulator castigator fumigator hibernator inhalator crocheter abrogator generator mediator translator legislator accelerator activator facilitator moderator modulator negotiator perpetrator radiator simulator ventilator actuator alternator carburetor evaporator illustrator integrator respirator excavator gladiator interrogator emulator fabricator idolater cooperator lubricator dehydrator nominator renovator decelerator defoliator eradicator peculator corroborator administrator denominator investigator refrigerator commentator regulator collaborator incubator speculator communicator evaluator procurator stimulator demonstrator incinerator liquidator conciliator appropriator eliminator formulator prognosticator resuscitator dissimulator exaggerator mutilator contaminator decapitator arbitrator coordinator accumulator calculator manipulator defibrillator discriminator exterminator consolidator infiltrator procrastinator repudiator insinuator expropriator Words that almost rhyme with certificator
caper nature major paper labor neighbor vapor taper sabre wager grader nadir saber pager raider tabor wader raper wagerer trader scraper draper persuader evader blockader staider invader crusader belabor denature legislature masquerader nomenclature gainer gayer gamer caver caner favor favour layer laser maker mayor painter safer sailor tailor glacier razor scalar surveyor wafer waiver baker fainter graver savor savour seiner taker baser hacer jailer maner payer raiser saver shaker waver chaser maser racer saner tamer vaguer whaler bather grayer jailor mailer pacer quaver shaver taster waster assayer baler faker greyer hazer chaster grazer quainter vainer baster fayer lamer raver sager claimer haler wailer fainer urbaner danger failure chamber player flavor breaker flavour labourer planar tracer trailer trainer manger savior appraiser attainder braver changer papier plainer purveyor ranger slayer spacer strainer arranger blazer eraser planer slaver sprayer framer gamester frailer bracer drainer essayer stayer staler opaquer wavier finagler inaner unsafer stranger container conveyor engraver retainer bilayer disclaimer disfavor disfavour undertaker campaigner inhaler partaker soothsayer conveyer modeller abstainer declaimer poetaster statelier boilermaker cockchafer defamer humaner semiquaver delayer gainsayer naysayer saltshaker defacer loudhailer astuter waylayer insaner behavior remainder endanger exchanger entertainer betrayer troublemaker policymaker complainer automaker moneymaker restrainer programer boneshaker doomsayer monolayer misbehavior multilayer semitrailer photoengraver cabinetmaker multiplayer