There are 681 twelve-letter words containing 2A and 2R, https://www.bestwordlist.com/c/a/4/12letterwordswithaarr.htm ABBREVIATORS ABBREVIATORY ABBREVIATURE ABERRATIONAL ABIRRITATING ABRACADABRAS ACCELERATORS ACCELERATORY ACCRETIONARY ACHLORHYDRIA ADULTERATORS ADVERTORIALS AEROBRAKINGS AEROGRAPHIES AFTERGRASSES AFTERMARKETS AFTERPARTIES AGGRANDISERS AGGRANDIZERS AGRARIANISMS AGRICULTURAL AIRBOARDINGS AIRCRAFTSMAN AIRCRAFTSMEN ALDERMANLIER ALDERMANRIES ALSTROEMERIA AMELIORATORS AMELIORATORY AMENORRHOEAS ANARTHROUSLY ANIMADVERTER ANTARTHRITIC ANTIAIRCRAFT ANTIBARBARUS ANTIBURGLARY ANTILITERARY ANTIPREDATOR AORTOGRAPHIC APPRECIATORS APPRECIATORY APPROPRIABLE APPROPRIATED APPROPRIATES APPROPRIATOR ARAEOMETRIES ARBITRAGEURS ARBITRAMENTS ARBITRATIONS ARBORISATION ARBORIZATION ARCHAEOMETRY ARCHDEACONRY ARCHESPORIAL ARCHOSAURIAN ARENAVIRUSES AREOGRAPHIES ARISTOCRATIC ARMAMENTARIA AROMATHERAPY ARRAIGNMENTS ARRANGEMENTS ARRESTATIONS ARROWGRASSES ARTERIALISED ARTERIALISES ARTERIALIZED ARTERIALIZES ARTERIOGRAMS ARTHROGRAPHY ARTHROPLASTY ARTICULATORS ARTICULATORY ARTILLERYMAN ARTOCARPUSES ASTROLATRIES AUTHORCRAFTS AUTOGRAVURES AVERRUNCATED AVERRUNCATES AVERRUNCATOR BACKBREAKERS BACTERIURIAS BALLBREAKERS BALLCARRIERS BANCASSURERS BARBARIANISM BARBARICALLY BARBITURATES BARDOLATRIES BARDOLATROUS BARGEMASTERS BAROMETRICAL BAROTRAUMATA BARRAMUNDIES BARRATROUSLY BARRICADOING BARRISTERIAL BEAVERBOARDS BICARPELLARY BLACKCURRANT BLADDERWRACK BOARDSAILORS BRACHIOSAURS BRACHYGRAPHY BRADYCARDIAC BRADYCARDIAS BRAGGARTISMS BRAGGARTLIER BRAINTEASERS BRAINWASHERS BREADBOARDED BREAKDANCERS BREAKFASTERS BREATHALYSER BREATHALYZER BREATHARIANS BROADCASTERS BUREAUCRATIC CACKERMANDER CACOGRAPHERS CALLIGRAPHER CAMARADERIES CAMERAPERSON CARAVANSARAI CARAVANSERAI CARBOHYDRASE CARBOHYDRATE CARBURATIONS CARDBOARDIER CARDIOGRAPHS CARDIOGRAPHY CARDSHARPERS CARDSHARPING CARICATURING CARICATURIST CARPENTARIAS CARPETBAGGER CARRAGEENANS CARRAGEENINS CARRAGHEENAN CARRAGHEENIN CARRIAGEABLE CARRIAGEWAYS CARRYFORWARD CARTOGRAPHER CARTOGRAPHIC CATERPILLARS CATERWAULERS CERAMOGRAPHY CERAUNOGRAPH CHAIRWARMERS CHARACTERFUL CHARACTERIES CHARACTERING CHARACTERISE CHARACTERISM CHARACTERIZE CHARIVARIING CHARTERPARTY CHARTOGRAPHY CHARTULARIES CHOREODRAMAS CHROMATOGRAM CLAPPERBOARD CLAPTRAPPERY COLLABORATOR CONFRATERNAL CONTRACTURAL CONTRAYERVAS CORONAGRAPHS CORRELATABLE CRACKBRAINED CRACKERJACKS CRACKLEWARES CRANIOSACRAL CRAPEHANGERS CURARISATION CURARIZATION DAGGERBOARDS DARRAIGNMENT DEALBREAKERS DEBARRASSING DECARBONATOR DEFLAGRATORS DERMABRASION DERMAPTERANS DEXTROCARDIA DIARTHRODIAL DICARPELLARY DISARRANGING DISEMBARRASS DIVARICATORS DOCTRINARIAN DOLLAROCRACY DORSOLATERAL DRAMATURGIES DRAMATURGIST DRAUGHTBOARD EARTHENWARES EARTHSHAKERS EMBARCADEROS EMBARRASSING ENARTHRODIAL ERYTHRAEMIAS EVAPOROGRAPH EXAGGERATORS EXAGGERATORY EXASPERATERS EXASPERATORS EXHILARATORS EXHILARATORY EXTRACRANIAL EXTRAMARITAL EXTRAMURALLY EXTRANUCLEAR EXTRAPOLATOR FAMILIARISER FAMILIARIZER FARNARKELING FEATHERBRAIN FIBROSARCOMA FLASHFORWARD FORAMINIFERA FORBEARANCES FORECARRIAGE FRACTIONATOR FRACTOGRAPHY FRACTOSTRATI FRAGRANTNESS FRATERNALISM FRITILLARIAS GALACTORRHEA GAMEBREAKERS GATECRASHERS GERIATRICIAN GORILLAGRAMS GRALLATORIAL GRANDFATHERS GRANDIFLORAS GRANDMASTERS GRANDPARENTS GRANDSTANDER GRANITEWARES GREATHEARTED GREGARIANISM GUBERNACULAR HABERDASHERS HABERDASHERY HAEMORRHAGED HAEMORRHAGES HAEMORRHAGIC HAGIOGRAPHER HAIRBREADTHS HAIRSBREADTH HALTERBREAKS HAMARTHRITIS HANDICRAFTER HARBORMASTER HARDINGGRASS HARDSCRABBLE HARMONOGRAMS HARMONOGRAPH HEADQUARTERS HEARTBREAKER HEARTWARMING HEREDITARIAN HIERARCHICAL HIEROGRAMMAT HYDRARGYRIAS HYPERAROUSAL HYPERCARBIAS HYPERSARCOMA IAMBOGRAPHER IMPERATORIAL INAUGURATORS INAUGURATORY INCARCERATED INCARCERATES INCARCERATOR INFIRMARIANS INFRAORBITAL INGRATIATORY INSTAURATORS INTERLAMINAR INTERRACIALS INTRACARDIAC INTRACARDIAL INTRACRANIAL INTRAMURALLY INTRANUCLEAR IRRADIANCIES IRRADIATIONS IRRADICATING IRRATIONALLY IRREALISABLE IRREALIZABLE IRREFRAGABLE IRREFRAGABLY IRREPAIRABLE IRREPEALABLE IRREPEALABLY IRRIGATIONAL IRROTATIONAL JAILBREAKERS KATHAROMETER KERAUNOGRAPH LABORATORIES LABRADORITES LACHRYMARIES LACHRYMATORS LACHRYMATORY LACQUERWARES LARGEHEARTED LATIROSTRATE LEADERBOARDS LIBERTARIANS MACROGRAPHIC MACRONUCLEAR MADREPORIANS MAGISTRATURE MAJORITAIRES MAJORITARIAN MANSPREADERS MANUFACTURER MARCONIGRAMS MARCONIGRAPH MARGRAVIATES MARPRELATING MARRIAGEABLE MARSHLANDERS MASQUERADERS MASTURBATORS MASTURBATORY MATERIALISER MATERIALIZER MATRIARCHATE MATRIARCHIES MATRICULATOR MENORRHAGIAS METACERCARIA METRORRHAGIA MICROFILARIA MICROMANAGER MISARRANGING MISCARRIAGES MISMARRIAGES MIXOBARBARIC MORTARBOARDS MURDERABILIA NARROWCASTED NEANDERTALER NONARBITRARY NONCHARACTER NONLIBRARIAN NONNARRATIVE NONRAILROADS NORADRENALIN OLEOMARGARIN ORACULARNESS ORATORICALLY ORCHARDGRASS ORGANOGRAPHY OROGRAPHICAL OROMAXILLARY OUTMARRIAGES OVERABSTRACT OVERAROUSALS OVERARRANGED OVERARRANGES OVERDRAMATIC OVERFAMILIAR OVERMANAGERS OVERSATURATE PALEOGRAPHER PANARTHRITIS PANTOGRAPHER PAPERBACKERS PAPERHANGERS PARACHRONISM PARACROSTICS PARADOXURINE PARADROPPING PARAGRAPHERS PARAGRAPHIAS PARAGRAPHING PARAGRAPHIST PARAHYDROGEN PARAMENSTRUA PARAMETERISE PARAMETERIZE PARAMETRICAL PARAMETRISED PARAMETRISES PARAMETRIZED PARAMETRIZES PARAMILITARY PARAMORPHINE PARAMORPHISM PARAMORPHOUS PARANORMALLY PARANTHROPUS PARAPERIODIC PARAPHRASERS PARAPHRASING PARAPHRASTIC PARAPHRAXIAS PARAPHRENIAS PARAPLANNERS PARAPRAXISES PARAQUADRATE PARARESCUERS PARASCENDERS PARATHORMONE PARATHYROIDS PARATRANSITS PARATROOPERS PARENTERALLY PARLOURMAIDS PARTICIPATOR PARTICULARLY PATRIARCHATE PATRIARCHIES PATRIARCHISM PERAMBULATOR PERORATIONAL PHRASEMAKERS PHRASEOGRAMS PHRASEOGRAPH PLAGIARISERS PLAGIARIZERS PLASTERBOARD POLAROGRAPHS POLAROGRAPHY PRAGMATISERS PRAGMATIZERS PREAPPROVALS PREARRANGING PREASSURANCE PREBREAKFAST PRECLEARANCE PREFABRICATE PREINAUGURAL PRELAPSARIAN PREMARITALLY PREMAXILLARY PREPARATIONS PREPARATIVES PREREHEARSAL PREVARICATED PREVARICATES PREVARICATOR PRIMIGRAVIDA PROBATIONARY PROCARBAZINE PROCATHEDRAL PROCELLARIAN PROCLAMATORY PROGRADATION PROGRAMMABLE PROGRAMMATIC PROLETARIANS PROLETARIATE PROLETARIATS PROSTANTHERA PTEROSAURIAN PURGATORIANS PYROTARTARIC PYROTARTRATE QUADRANGULAR QUADRATRICES QUADRATRIXES QUARRYMASTER QUARTERBACKS QUARTERFINAL QUARTERSAWED QUARTERSTAFF QUATERNARIES RACETRACKERS RADIOCARBONS RADIOGRAPHED RADIOGRAPHER RADIOGRAPHIC RADIOLARIANS RADIOTHERAPY RADIOTRACERS RAILROADINGS RAREFACTIONS RAREFICATION RASTAFARIANS RATBAGGERIES RATIOCINATOR RATIONALISER RATIONALIZER RATTLEBRAINS REACCELERATE REAGGREGATED REAGGREGATES REAPPARELING REAPPARELLED REAPPEARANCE REAPPRAISALS REAPPRAISERS REAPPRAISING REARTICULATE REASSURANCES REBROADCASTS RECALCITRANT RECALCITRATE RECALIBRATED RECALIBRATES RECEPTACULAR RECHARGEABLE RECREATIONAL REFLATIONARY REFRACTARIES REHYDRATABLE REINCARNATED REINCARNATES REJONEADORAS REMAINDERMAN RENATURATION RENOVASCULAR REPARABILITY REPATRIATING REPATRIATION REPATRIATORS REPROACHABLE REPROACHABLY RERADIATIONS RESEARCHABLE RESTAURATEUR RESTAURATION RESTRAINABLE RETARDANCIES RETARDATIONS RETRACTATION RETRANSLATED RETRANSLATES RHABDOMANCER RHINORRHAGIA RHOPALOCERAL RIJKSDAALERS RURALISATION RURALIZATION SABURRATIONS SACRAMENTARY SAFECRACKERS SAILBOARDERS SANDPAPERIER SARSAPARILLA SAUERBRATENS SCARIFICATOR SCATTERBRAIN SCATTERGRAMS SCRAPERBOARD SCRATCHBOARD SCRATCHCARDS SCROPHULARIA SECRETARIATE SECRETARIATS SEMIARBOREAL SEPARATORIES SEPARATRICES SERASKIERATE SERTULARIANS SHAREFARMERS SIALORRHOEAS SKATEBOARDER SPARAGRASSES SPARROWFARTS SPARROWGRASS SPARROWHAWKS SPEARCARRIER SQUIREARCHAL STANDARDBRED STANDARDISER STANDARDIZER STARBOARDING STEATORRHEAS STEATORRHOEA STELLARATORS STRAPHANGERS STRATIGRAPHY STRATOCRATIC STRATOTANKER STRIPPAGRAMS SUBARRATIONS SUBARRHATION SUBAURICULAR SUBLIBRARIAN SUBPARAGRAPH SUBTERRANEAN SUPERBAZAARS SUPERNACULAR SUPERNATURAL SUPRACILIARY SUPRACRUSTAL SUPRAORBITAL SURTARBRANDS TABERNACULAR TACHYGRAPHER TARANTARAING TARATANTARAS TARRADIDDLES TEREBRATULAE TEREBRATULAS TETRABORATES TETRACHORDAL TETRADRACHMA TETRADRACHMS TETRARCHATES TETRARCHICAL THREADBAREST THREADMAKERS TRACASSERIES TRACHEARIANS TRACKERBALLS TRACKWALKERS TRACTORATION TRADEMARKING TRADITIONARY TRAFFICATORS TRAILBLAZERS TRAILBREAKER TRAINBEARERS TRANSCRANIAL TRANSFERABLE TRANSFERASES TRANSFERRALS TRANSMIGRANT TRANSMIGRATE TRANSNATURAL TRANSPARENCE TRANSPARENCY TRANSPIRABLE TRANSPLANTER TRANSPORTALS TRANSUDATORY TRANSURANIAN TRANSURANICS TRANSURANIUM TRANSVALUERS TRANSVERSALS TRAPEZOHEDRA TRIANGULARLY TRIGRAMMATIC TRILATERALLY TRINITARIANS TRIRADIATELY TROCHANTERAL TRUSTAFARIAN TRYPARSAMIDE TURBELLARIAN TYRANNOSAURS ULTRACAREFUL ULTRAHEAVIER ULTRALIBERAL ULTRAMARINES ULTRARADICAL ULTRAREALISM ULTRAREALIST UNBARRICADED UNBARRICADES UNIRRADIATED UNREMARKABLE UNREMARKABLY UNREPAIRABLE URANOGRAPHER URANOGRAPHIC UTRICULARIAS VERNACULARLY VETERINARIAN VIBRACULARIA VIBRAHARPIST WAKEBOARDERS WARRANTISING WARRANTIZING WATERMARKING WEATHERBOARD WHARFMASTERS