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