There are 672 twelve-letter words containing A, G and 2R, https://www.bestwordlist.com/c/a/4/12letterwordswithagrr.htm
ABIRRITATING AEROBRAKINGS AEROGRAPHIES AFTERBURNING AFTERGRASSES
AFTERGROWTHS AGGRANDISERS AGGRANDIZERS AGRARIANISMS AGRICULTURAL
AGRICULTURES AGRIPRODUCTS AGRITOURISMS AGRITOURISTS AGROFORESTER
AGROFORESTRY AGROINDUSTRY AGROTOURISMS AGROTOURISTS AIRBOARDINGS
AIRFREIGHTED ALLEGORISERS ALLEGORIZERS ANGLEBERRIES ANTIBURGLARY
AORTOGRAPHIC ARBITRAGEURS AREOGRAPHIES ARRAIGNMENTS ARRANGEMENTS
ARROWGRASSES ARTERIOGRAMS ARTHROGRAPHY ASTROTURFING AUTOGRAVURES
BACKGROUNDER BARGEMASTERS BARNSTORMING BARRICADOING BRACHYGRAPHY
BRAGGARTISMS BRAGGARTLIER BREAKTHROUGH BRIDGEBOARDS BROMEGRASSES
BURGLARISING BURGLARIZING BURGLARPROOF BURGOMASTERS CACOGRAPHERS
CALLIGRAPHER CARBURETTING CARDIOGRAPHS CARDIOGRAPHY CARDSHARPING
CARICATURING CARPENTERING CARPETBAGGER CARPETMONGER CARRAGEENANS
CARRAGEENINS CARRAGHEENAN CARRAGHEENIN CARRIAGEABLE CARRIAGEWAYS
CARTOGRAPHER CARTOGRAPHIC CERAMOGRAPHY CERARGYRITES CERAUNOGRAPH
CEROGRAPHIES CEROGRAPHIST CHARACTERING CHARBROILING CHARGRILLING
CHARIVARIING CHARTOGRAPHY CHIROGRAPHER CHIROGRAPHIC CHOREGRAPHED
CHOREGRAPHER CHOREGRAPHIC CHOREOGRAPHS CHOREOGRAPHY CHOROGRAPHER
CHOROGRAPHIC CHROMATOGRAM CHRONOGRAPHS CHRONOGRAPHY CIRCUMGYRATE
COGENERATORS COMPURGATORS COMPURGATORY CONFIGURATOR CONGREGATORS
COPARTNERING CORNBRAIDING CORONAGRAPHS CORONOGRAPHS CORRIVALLING
CORRUGATIONS COSMOGRAPHER COUNTERARGUE CRAPEHANGERS CREPEHANGERS
CRESCOGRAPHS CROSSBARRING CRYOSURGICAL CRYPTOGRAPHS CRYPTOGRAPHY
DAGGERBOARDS DARRAIGNMENT DAUGHTERLIER DEBARRASSING DEFLAGRATORS
DEFRAGMENTER DEMOGRAPHERS DEPROGRAMING DEPROGRAMMED DEPROGRAMMER
DEPROGRAMMES DEREGULATORS DEREGULATORY DEROGATORILY DEXTROGYRATE
DISARRANGING DISCOGRAPHER DISCOURAGERS DISGARRISONS DISORGANISER
DISORGANIZER DISREGARDERS DISREGARDFUL DISREGARDING DOXOGRAPHERS
DRAGONFRUITS DRAMATURGIES DRAMATURGIST DRAUGHTBOARD DRAUGHTPROOF
EARLIERISING EARLIERIZING ELECTROGRAMS ELECTROGRAPH EMBARRASSING
ENGARRISONED ENTREASURING ERGATOMORPHS ETHNOGRAPHER EVAPOROGRAPH
EXAGGERATORS EXAGGERATORY EXPROBRATING EXTRAVERTING FARNARKELING
FERRIMAGNETS FERROMAGNETS FINGERBOARDS FINGERGUARDS FLUOROGRAPHY
FOOTDRAGGERS FORBEARINGLY FORECARRIAGE FOREGATHERED FOREREACHING
FOREREADINGS FORESWEARING FORETRIANGLE FOREWARNINGS FORGATHERING
FORWANDERING FRACTOGRAPHY FRAGRANTNESS FRATERNISING FRATERNIZING
FROGMARCHING GALACTORRHEA GALLERYGOERS GAMEBREAKERS GASTROLOGERS
GASTRONOMERS GASTROSOPHER GASTROTRICHS GATECRASHERS GENDARMERIES
GENERALISERS GENERALIZERS GENERATRICES GERIATRICIAN GERONTOCRACY
GERONTOCRATS GERRYMANDERS GINGERBREADS GINGERBREADY GLASSWORKERS
GOLIARDERIES GORILLAGRAMS GORMANDISERS GORMANDIZERS GOVERNORATES
GRADIOMETERS GRALLATORIAL GRANDFATHERS GRANDIFLORAS GRANDMASTERS
GRANDMOTHERS GRANDPARENTS GRANDSTANDER GRANGERISERS GRANGERISING
GRANGERIZERS GRANGERIZING GRANITEWARES GRANODIORITE GRASSHOPPERS
GRAVEDIGGERS GRAVEROBBERS GRAVIMETRIES GRAVITOMETER GRAVITROPISM
GREASEPROOFS GREATHEARTED GREENBACKERS GREENMAILERS GREGARIANISM
GREGARIOUSLY GRIDDLEBREAD GROATSWORTHS GROSSULARITE GROUNDSHARED
GROUNDSHARES GROUNDWATERS GUBERNACULAR GUERRILLAISM HAEMORRHAGED
HAEMORRHAGES HAEMORRHAGIC HAGIOGRAPHER HAIRDRESSING HANDWRINGERS
HARBINGERING HARDINGGRASS HARMONOGRAMS HARMONOGRAPH HEARTBURNING
HEARTRENDING HEARTSTRINGS HEARTWARMING HELIOGRAPHER HELIOGRAVURE
HEMORRHAGING HETEROGRAFTS HETEROGRAPHY HIEROGRAMMAT HIEROGRAPHER
HIEROGRAPHIC HOLOGRAPHERS HOROGRAPHERS HOROGRAPHIES HORSERACINGS
HYDRARGYRIAS HYDRARGYRISM HYDRARGYRUMS HYDROGENATOR HYDROGRAPHER
HYDROGRAPHIC HYGROGRAPHIC HYMNOGRAPHER HYPERCHARGED HYPERCHARGES
IAMBOGRAPHER ICONOGRAPHER IMPREGNATORS INAUGURATORS INAUGURATORY
INGRATIATORY INTERARCHING INTERCHANGER INTERGRADING INTERGRAFTED
INTERLARDING INTERRAILING INTERROBANGS INTERROGABLE INTERROGANTS
INTERROGATED INTERROGATEE INTERROGATES INTERROGATOR INVIGORATORS
IRRADICATING IRREFRAGABLE IRREFRAGABLY IRREGARDLESS IRREGULARITY
IRRIGATIONAL IRRITATINGLY KERAUNOGRAPH KINDERGARTEN LAMMERGEIERS
LAMMERGEYERS LARGEHEARTED LITHOGRAPHER LOGANBERRIES LOGOGRAPHERS
LONGIROSTRAL MACROGRAPHIC MAGISTRATURE MARCONIGRAMS MARCONIGRAPH
MARGRAVIATES MARPRELATING MARRIAGEABLE MARROWSKYING MARTYROLOGIC
MASTERSINGER MENORRHAGIAS MERRYMAKINGS METEOROGRAMS METEOROGRAPH
METRORRHAGIA MICROGRANITE MICROGRAPHED MICROGRAPHER MICROGRAPHIC
MICROGRAVITY MICROMANAGER MICROPROGRAM MIMOGRAPHERS MISARRANGING
MISCARRIAGES MISMARRIAGES MISPROGRAMED MISREGARDING MONOGRAMMERS
MONOGRAPHERS MORIGERATING MORIGERATION MORPHOGRAPHY MYTHOGRAPHER
NECROGRAPHER NOMOGRAPHERS NONIRRIGATED NONMIGRATORY NOSOGRAPHERS
OLEOMARGARIN ORCHARDGRASS OREOGRAPHIES OREPEARCHING ORGANISTRUMS
ORGANOGRAPHY OROGRAPHICAL OROPHARYNGES ORTHOGRAPHER ORTHOGRAPHIC
OUTMARRIAGES OVERARRANGED OVERARRANGES OVERCARRYING OVERCHARGING
OVERCLEARING OVERCRAMMING OVERDRAUGHTS OVERFAVORING OVERGARMENTS
OVERGRAINERS OVERGRAINING OVERGRASSING OVERGRAZINGS OVERLABORING
OVERLEARNING OVERMANAGERS OVERORGANISE OVERORGANIZE OVERPRAISING
OVERPROGRAMS OVERREACHING OVERREACTING OVERREGULATE OVERROASTING
OVERSWEARING OVERTRADINGS OVERTRAINING OVERTREATING OVERWATERING
OVERWEARYING OVERWRAPPING PALEOGRAPHER PANTOGRAPHER PAPERHANGERS
PARADROPPING PARAGRAPHERS PARAGRAPHIAS PARAGRAPHING PARAGRAPHIST
PARAHYDROGEN PARAPHRASING PEREGRINATED PEREGRINATES PEREGRINATOR
PERIPHRASING PERPETRATING PERSPIRATING PERTURBATING PETROGRAPHER
PETROGRAPHIC PHONOGRAPHER PHOTOGRAPHER PHOTOGRAVURE PHRASEMONGER
PHRASEOGRAMS PHRASEOGRAPH PHYTOGRAPHER PILGRIMAGERS PLAGIARISERS
PLAGIARIZERS POLAROGRAPHS POLAROGRAPHY POLYGRAPHERS PORNOGRAPHER
PORNOGRAPHIC PRAGMATISERS PRAGMATIZERS PREABSORBING PREAPPROVING
PREARRANGING PREDISCHARGE PREFIGURATED PREFIGURATES PREHARDENING
PREINAUGURAL PREMARKETING PREMEASURING PREMIGRATION PREORDAINING
PREPROGRAMED PRERELEASING PREROGATIVED PREROGATIVES PRESLAUGHTER
PRESTIGIATOR PRETEENAGERS PRIMIGRAVIDA PRIVATEERING PROGRADATION
PROGRAMMABLE PROGRAMMATIC PROGRAMMINGS PROMULGATORS PROOFREADING
PROROGATIONS PURGATORIANS PYRARGYRITES PYROGRAPHERS PYROGRAPHIES
PYROGRAVURES QUADRANGULAR QUARRELLINGS QUARRINGTONS QUARTERLIGHT
RACKETEERING RACONTEURING RADIOGRAPHED RADIOGRAPHER RADIOGRAPHIC
RADIOSURGERY RAILROADINGS RAINPROOFING RANGEFINDERS RATBAGGERIES
READDRESSING REAGGREGATED REAGGREGATES REAPPARELING REAPPRAISING
REASSURINGLY RECATEGORIZE RECHARGEABLE RECHARTERING RECUPERATING
REDECORATING REDINTEGRATE REFLECTOGRAM REFORMATTING REFRACTURING
REFRIGERANTS REFRIGERATED REFRIGERATES REFRIGERATOR REGARDLESSLY
REGENERACIES REGENERATELY REGENERATING REGENERATION REGENERATIVE
REGENERATORS REGENERATORY REGISTERABLE REGISTRARIES REGISTRATION
REGULARISING REGULARITIES REGULARIZING REGURGITANTS REGURGITATED
REGURGITATES REINCREASING REINTEGRATED REINTEGRATES REINVIGORATE
RELACQUERING RELAUNDERING REMAINDERING REMIGRATIONS REMORALISING
REMORALIZING REMORTGAGING REMUNERATING RENOGRAPHIES REORGANISERS
REORGANISING REORGANIZERS REORGANIZING REPATRIATING REPATTERNING
REPHOTOGRAPH REPLASTERING REPOLARISING REPOLARIZING REPRIMANDING
REPROGRAMING REPROGRAMMED REPROGRAMMES REPROGRAPHER REPROGRAPHIC
REPURCHASING REREGULATING REREGULATION RESEGREGATED RESEGREGATES
RESHARPENING RESTRAININGS RETROGRADELY RETROGRADING RETROUSSAGES
REVALORISING REVALORIZING REVARNISHING RHINORRHAGIA RIDESHARINGS
RONTGENOGRAM ROTOGRAPHING ROTOGRAVURES ROUGHCASTERS SCAREMONGERS
SCATTERGRAMS SCENOGRAPHER SERIGRAPHERS SERIGRAPHIES SHERARDISING
SHERARDIZING SHORTCHANGER SHORTGRASSES SLAUGHTERERS SLUGGARDLIER
SMORGASBORDS SNOBOGRAPHER SONOGRAPHERS SPARAGRASSES SPARROWGRASS
SPECTROGRAMS SPECTROGRAPH SPIROGRAPHIC SPREAGHERIES SPRINGBOARDS
SPRINGWATERS STARBOARDING STENOGRAPHER STERCORATING STEREOGRAPHS
STEREOGRAPHY STRAIGHTBRED STRAIGHTENER STRAPHANGERS STRATIGRAPHY
STRINGBOARDS STRINGYBARKS STRIPPAGRAMS STRIPPERGRAM STRONGARMING
SUBIRRIGATED SUBIRRIGATES SUBMICROGRAM SUBPARAGRAPH SUGARBERRIES
SUPERCARGOES SUPERCHARGED SUPERCHARGER SUPERCHARGES SUPEREROGANT
SUPEREROGATE SUPERGRASSES SUPERGRAVITY SUPERORGANIC SUPERORGASMS
SURFBOARDING SURROGATIONS TACHYGRAPHER TARANTARAING TELEGRAPHERS
TERGIVERSANT TERGIVERSATE TERRAFORMING THARBOROUGHS THEATERGOERS
THEATREGOERS THERMOGRAPHS THERMOGRAPHY THOROUGHFARE THROUGHFARES
TOPOGRAPHERS TORSIOGRAPHS TRADEMARKING TRANSCRIBING TRANSFERRING
TRANSFIGURED TRANSFIGURES TRANSFORMING TRANSGENDERS TRANSGRESSED
TRANSGRESSES TRANSGRESSOR TRANSMIGRANT TRANSMIGRATE TRANSMOGRIFY
TRANSPORTING TRANSVERSING TRIANGULARLY TRIFURCATING TRIGRAMMATIC
TURBOCHARGED TURBOCHARGER TYPOGRAPHERS UNDERBEARING UNDERCHARGED
UNDERCHARGES UNDERDRAWING UNDERGARMENT UNHARBOURING UNPROGRAMMED
UNREGENERACY UNREGENERATE UNTREASURING URANOGRAPHER URANOGRAPHIC
VERBIGERATED VERBIGERATES VIDEOGRAPHER VINEGARRETTE VINEGARROONS
WARMONGERING WARRANTISING WARRANTIZING WATERMARKING WEATHERGIRLS
WIREDRAWINGS WOOLGATHERER WRANGLERSHIP XEROGRAPHERS XEROGRAPHIES
XYLOGRAPHERS ZINCOGRAPHER