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