Here's what rhymes with significator.
cater gator gaiter later greater waiter crater educator navigator hater pater rater skater grater dater tater indicator creator elevator equator oscillator traitor alligator insulator debater freighter imitator innovator instigator straighter escalator violator prater collator dedicator litigator inhalator sedater operator investigator dictator agitator curator modulator originator applicator aviator decorator evaporator integrator levator obturator respirator rotator excavator interrogator animator detonator emulator annotator fornicator headwaiter vindicator gyrator nominator renovator adulator castigator eradicator fumigator hibernator crocheter abrogator generator mediator legislator regulator accelerator activator facilitator incubator moderator negotiator radiator simulator ventilator actuator alternator carburetor communicator evaluator illustrator gladiator incinerator adjudicator fabricator idolater percolator cooperator duplicator eliminator lubricator pollinator dehydrator dumbwaiter prognosticator resuscitator decelerator defoliator exaggerator mutilator peculator corroborator administrator denominator translator commentator coordinator accumulator calculator collaborator perpetrator speculator manipulator procurator stimulator liquidator conciliator exterminator formulator infiltrator prevaricator dissimulator contaminator insinuator refrigerator arbitrator demonstrator discriminator appropriator consolidator procrastinator decapitator defibrillator repudiator expropriator Words that almost rhyme with significator
caper nature major paper labor neighbor vapor taper sabre wager grader nadir saber pager raider tabor wader raper wagerer trader scraper draper evader blockader staider invader crusader belabor denature persuader masquerader legislature 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 entertainer misbehavior campaigner inhaler partaker soothsayer conveyer modeller abstainer declaimer poetaster statelier cockchafer defamer humaner semiquaver delayer gainsayer naysayer saltshaker defacer loudhailer waylayer insaner behavior remainder endanger exchanger monolayer undertaker betrayer complainer automaker boilermaker moneymaker restrainer programer doomsayer astuter multilayer semitrailer boneshaker troublemaker cabinetmaker policymaker multiplayer photoengraver