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