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