There are 636 thirteen-letter words containing A, C, E and 2R, https://www.bestwordlist.com/c/a/5/13letterwordswithacerr.htm
ACCELEROMETER ACRYLONITRILE ADRENOCEPTORS ADRENOCHROMES AEROSTRUCTURE
AIRCRAFTWOMEN ANCHORPERSONS ANDROCENTRISM ANTICORPORATE ANTICORROSIVE
APPROPRIACIES ARAEOMETRICAL ARBITRATRICES ARBORESCENCES ARBORICULTURE
ARCHAEOMETRIC ARCHAEOPTERYX ARCHAEORNISES ARCHEOMETRIES ARCHIMANDRITE
ARCHITECTURAL ARCHITECTURES ARISTOCRACIES ARTHRECTOMIES ARTHROSCOPIES
ASTROMETRICAL AUTOCORRECTED AVERRUNCATING AVERRUNCATION AVERRUNCATORS
BACKGROUNDERS BACKSCRATCHER BARORECEPTORS BLACKBERRYING BLADDERWRACKS
BRACHYPTERISM BRACHYPTEROUS BRACHYTHERAPY BRAINCHILDREN BREADCRUMBING
BREECHLOADERS BUREAUCRACIES BUREAUCRATESE BUREAUCRATISE BUREAUCRATISM
BUREAUCRATIST BUREAUCRATIZE CACKERMANDERS CACKLEBERRIES CALCARIFEROUS
CALLIGRAPHERS CALORIMETRIES CAMERAPERSONS CANDLEBERRIES CARAVANSARIES
CARAVANSERAIS CARBOHYDRASES CARBOHYDRATES CARBONIFEROUS CARDBOARDIEST
CARDIOGRAPHER CARDIOVERSION CARDIOVERTERS CARILLONNEURS CARPETBAGGERS
CARPETBAGGERY CARPETMONGERS CARRAGHEENANS CARRAGHEENINS CARRIWITCHETS
CARTOGRAPHERS CARTOGRAPHIES CARYOPTERISES CATERCORNERED CERAUNOGRAPHS
CEREBROSPINAL CEREBROTONIAS CEROGRAPHICAL CEROGRAPHISTS CERTIFICATORY
CERVICOGRAPHY CHALCOGRAPHER CHARACTERISED CHARACTERISER CHARACTERISES
CHARACTERISMS CHARACTERIZED CHARACTERIZER CHARACTERIZES CHARACTERLESS
CHARIOTEERING CHARLATANRIES CHARTOGRAPHER CHECKERBOARDS CHEIROMANCERS
CHEQUERBOARDS CHILDRENSWEAR CHIROGRAPHERS CHIROGRAPHIES CHLORARGYRITE
CHOREGRAPHERS CHOREGRAPHIES CHOREGRAPHING CHOREOGRAPHED CHOREOGRAPHER
CHOREOGRAPHIC CHOROGRAPHERS CHOROGRAPHIES CHORUSMASTERS CHRISMATORIES
CHROMATOPHORE CHROMOTHERAPY CHRONOGRAPHER CHRONOTHERAPY CHRYSOCRACIES
CHURCHMANLIER CHURCHWARDENS CIRCULARISERS CIRCULARITIES CIRCULARIZERS
CIRCUMGYRATED CIRCUMGYRATES CIRCUMROTATED CIRCUMROTATES CIRCUMSTELLAR
CIRROSTRATIVE CLAPPERBOARDS CLAPPERCLAWER CLOVERGRASSES COCHAIRPERSON
COCHLEARIFORM COMMEMORATORS COMMEMORATORY COMMISERATORS CONCENTRATORS
CONCERTMASTER CONCORPORATED CONCORPORATES CONCRETIONARY CONFARREATION
CONFRATERNITY CONGLOMERATOR CONSERVATOIRE CONSERVATORIA CONSPIRATRESS
CONTAINERPORT CONTRADICTERS CONTRALATERAL CONTRARIETIES CONTRATERRENE
CONTRITURATED CONTRITURATES CONTROVERSIAL CONVERSIONARY COPARCENARIES
COPARCENERIES COPARTNERSHIP CORALLIFEROUS CORDWAINERIES COREFERENTIAL
CORESEARCHERS CORONAVIRUSES CORPORALITIES CORPORATENESS CORPOREALISED
CORPOREALISES CORPOREALISMS CORPOREALISTS CORPOREALIZED CORPOREALIZES
CORPOREALNESS CORRELATIONAL CORRELATIVELY CORRELATIVITY CORROBORATIVE
COSMOGRAPHERS COSTARDMONGER COTRANSFERRED COTRANSPORTED COTRANSPORTER
COUNTERARGUED COUNTERARGUES COUNTERBRACED COUNTERBRACES COUNTERCHARGE
COUNTERCHARMS COUNTERPLAYER COUNTERRAIDED COUNTERSCARPS COUNTERSTREAM
COUNTERTHREAT COUNTERTRADED COUNTERTRADES CRAFTSPERSONS CRANIOMETRIES
CRANIOMETRIST CRASHWORTHIER CREATUREHOODS CREATURESHIPS CRYOTHERAPIES
CRYPTOGRAPHER CRYSTALLISERS CRYSTALLIZERS CURVILINEARLY CYBERATTACKER
CYBERCHONDRIA CYBERCRIMINAL CYBERSQUATTER CYBERSTALKERS DECARBONATORS
DECARBONISERS DECARBONIZERS DECARBURATION DECARBURISING DECARBURIZING
DECEREBRATING DECEREBRATION DECLARATORILY DECORTICATORS DEMOCRATISERS
DEMOCRATIZERS DEPRECATORILY DETRACTRESSES DEXTROCARDIAC DEXTROCARDIAS
DIRECTORIALLY DISCOGRAPHERS DISCORPORATED DISCORPORATES DISCRETIONARY
ECCREMOCARPUS ELECTRODERMAL ELECTROGRAPHS ELECTROGRAPHY ELECTROPLATER
ELEUTHERARCHS ENCUMBRANCERS ENFRANCHISERS ERGATOCRACIES ERGATOMORPHIC
EXPECTORATORS EXTRACELLULAR EXTRAMETRICAL EXTRATROPICAL EXTRAVASCULAR
FERRICYANIDES FERRICYANOGEN FERRIMAGNETIC FERROCYANIDES FERROCYANOGEN
FERROMAGNETIC FORECARRIAGES GALACTORRHEAS GALACTORRHOEA GASTROENTERIC
GERIATRICIANS GERONTOCRATIC GIMCRACKERIES GRANDCHILDREN GRAVIMETRICAL
HANDICRAFTERS HARDSCRABBLES HENCEFORWARDS HETEROCARPOUS HETEROGRAPHIC
HIERARCHISING HIERARCHIZING HIEROCRATICAL HYDROCRACKERS HYDROMETRICAL
HYDROTHERAPIC HYDROTHORACES HYGROMETRICAL HYPERCHARGING HYPERCRITICAL
HYPERMETRICAL HYPERREACTIVE HYPERREACTORS HYPERROMANTIC HYPERSARCOMAS
HYPERSARCOSES HYPERSARCOSIS HYPERSURFACES HYPERURICEMIA ICONOGRAPHERS
INCARCERATING INCARCERATION INCARCERATORS INCORPORATIVE INCORPOREALLY
INCUMBRANCERS INTERBRANCHES INTERCALARIES INTERCALARILY INTERCELLULAR
INTERCHANGERS INTERCHAPTERS INTERCOLUMNAR INTERCOMPARED INTERCOMPARES
INTERCORTICAL INTERCULTURAL INTERJECTURAL INTERMUSCULAR INTERPARTICLE
INTERRACIALLY INTERSCAPULAR INTERTRAFFICS INTERTROPICAL INTRACELLULAR
INTRACEREBRAL INTRATELLURIC IRRECLAIMABLE IRRECLAIMABLY IRRECOVERABLE
IRRECOVERABLY IRRELEVANCIES IRREPLACEABLE IRREPLACEABLY IRRESISTANCES
ISOBAROMETRIC KIRSCHWASSERS LEXICOGRAPHER MACRONUTRIENT MANUFACTURERS
MATRIARCHATES MEGASTRUCTURE MERCENARINESS MERCERISATION MERCERIZATION
MERCHANDISERS MERCHANDIZERS MERCURIALISED MERCURIALISES MERCURIALISMS
MERCURIALISTS MERCURIALIZED MERCURIALIZES MERCURIALNESS MERITOCRACIES
METACERCARIAE METACERCARIAL METACERCARIAS MICROFILARIAE MICROGRANITES
MICROGRAPHERS MICROGRAPHIES MICROMANAGERS MICROMETRICAL MICROPARASITE
MICROPARTICLE MISTRANSCRIBE MUCKSPREADERS MUSSELCRACKER NANOSTRUCTURE
NECROGRAPHERS NECTARIFEROUS NECTARIVOROUS NEUROMUSCULAR NEUROSURGICAL
NEUROVASCULAR NITROBACTERIA NONCHARACTERS NONCOOPERATOR NONPARAMETRIC
NONRECIPROCAL NONRETRACTILE NORADRENERGIC OCEANOGRAPHER ONEIROMANCERS
ORACULARITIES ORCHESOGRAPHY ORCHESTRALIST ORCHESTRATERS ORCHESTRATING
ORCHESTRATION ORCHESTRATORS OREOGRAPHICAL OVERACHIEVERS OVERCAREFULLY
OVERCHARGINGS OVERCRAMMINGS OVERDECORATED OVERDECORATES OVERDRAMATICS
OVERENCOURAGE OVERINSURANCE OVERREACTIONS OVERRELIANCES OYSTERCATCHER
PALAEOCURRENT PARARESCUEMAN PARARESCUEMEN PARTHENOCARPY PARTICLEBOARD
PARTICOLOURED PARTICULARISE PARTICULARIZE PARTURIENCIES PATRIARCHATES
PERENNIBRANCH PERICHONDRIAL PERIOSTRACUMS PERMACULTURES PERPENDICULAR
PERSCRUTATION PERSEVERANCES PICROCARMINES PLEUROCARPOUS PRACTITIONERS
PRAEFECTORIAL PREACHERSHIPS PREASSURANCES PRECAUTIONARY PRECEPTORATES
PRECEPTORIALS PRECIPITATORS PRECLEARANCES PRECONTRACTED PRECOPULATORY
PREFABRICATED PREFABRICATES PREFABRICATOR PREHISTORICAL PRELITERACIES
PREORDINANCES PREPONDERANCE PREPONDERANCY PREPURCHASING PREVARICATING
PREVARICATION PREVARICATORS PROCARBAZINES PROCATHEDRALS PROCELLARIANS
PROCESSIONARY PROCRASTINATE PROCREATIONAL PROCURATORIES PRONUCLEARIST
PROSECUTORIAL PROTECTORATES PROTOCERATOPS PROTOCHORDATE PROTUBERANCES
QUARTERBACKED QUARTERDECKER RACKETEERINGS RACONTEURINGS RANCOROUSNESS
RAPPROCHEMENT RAREFACTIONAL RAREFICATIONS REACCELERATED REACCELERATES
REACCREDITING REACTIONARIES REACTIONARISM REACTIONARIST REAPPEARANCES
REARTICULATED REARTICULATES REBROADCASTED RECALCITRANCE RECALCITRANCY
RECALCITRANTS RECALCITRATED RECALCITRATES RECALIBRATING RECALIBRATION
RECATEGORIZED RECATEGORIZES RECENTRALIZED RECENTRALIZES RECHOREOGRAPH
RECIPROCALITY RECIPROCATING RECIPROCATION RECIPROCATIVE RECIPROCATORS
RECIPROCATORY RECIRCULATING RECIRCULATION RECONCENTRATE RECONSECRATED
RECONSECRATES RECREATIONIST RECRIMINATING RECRIMINATION RECRIMINATIVE
RECRIMINATORS RECRIMINATORY RECRYSTALLISE RECRYSTALLIZE RECTANGULARLY
RECTILINEARLY RECUPERATIONS REDECORATIONS REDELIVERANCE REFLECTOGRAMS
REFLECTOGRAPH REFRACTOMETER REFRACTOMETRY REINCARNATING REINCARNATION
REINCORPORATE REINFORCEABLE RELUBRICATING RELUBRICATION REMANUFACTURE
REMEMBRANCERS REMONSTRANCES REORCHESTRATE REPROACHFULLY REPROACHINGLY
REPROGRAPHICS RESUSCITATORS RETRACTATIONS RETROACTIVELY RETROACTIVITY
RETROPHILIACS RHABDOMANCERS RHINOSCLEROMA RHOPALOCEROUS ROLLERCOASTER
ROUTEMARCHING SACCHARIMETER SACCHARIMETRY SACCHAROMETER SACCHAROMETRY
SCATTERBRAINS SCATTEROMETER SCENOGRAPHERS SCHLUMBERGERA SCHWARMERISCH
SCLERODERMATA SCLERODERMIAS SCLEROTHERAPY SCRAPERBOARDS SCRIEVEBOARDS
SCRIMSHANDERS SCRIMSHANKERS SECRETARIATES SECRETARYSHIP SHARECROPPERS
SHARECROPPING SHELLCRACKERS SHORTCHANGERS SPEARCARRIERS SPECTROGRAPHS
SPECTROGRAPHY SPORTSCASTERS SQUIREARCHIES STERCORACEOUS STERCORANISMS
STERCORANISTS STERCORARIOUS STEREOGRAPHIC STRATOCRACIES STRATOSPHERIC
STREPTOCARPUS STRUCTURALISE STRUCTURALIZE SUBCHARTERING SUBCONTRARIES
SUPERACCURATE SUPERACHIEVER SUPERCALENDER SUPERCARRIERS SUPERCHARGERS
SUPERCHARGING SUPERCOLUMNAR SUPERCRIMINAL SUPERCRITICAL SUPERGRAPHICS
SUPERPARTICLE SUPERROMANTIC SUPERTEACHERS SURCHARGEMENT TACHYGRAPHERS
TERPSICHOREAL TERPSICHOREAN TETRACHLORIDE TETRADRACHMAS TETRADRACHMON
THENCEFORWARD THERMOGRAPHIC THERMONUCLEAR THOROUGHBRACE TORREFACTIONS
TRANSCRIBABLE TRANSCRIPTASE TRANSCRIPTIVE TRANSCRIPTOME TRANSFERENCES
TRANSPARENCES TRANSPIERCING TRANSPORTANCE TREACHEROUSLY TRICARPELLARY
TRICERATOPSES TRICHOPTERANS TRICORPORATED TRISACCHARIDE TRISOCTAHEDRA
TRITUBERCULAR TROCHEAMETERS TROPOSCATTERS TUBOCURARINES TURACOVERDINS
TURBOCHARGERS UNCORRECTABLE UNDERACHIEVER UNDERCARRIAGE UNDERCHARGING
UNDERCRACKERS UNDERREACTING UNDERREACTION UNDERSURFACES UNDOCTRINAIRE
UNRECOVERABLE UNRECOVERABLY UNREPROACHFUL UNREPROACHING UNSTERCORATED
VELOCIRAPTORS VERNACULARISE VERNACULARISM VERNACULARIST VERNACULARITY
VERNACULARIZE VERSIFICATORS VITRIFACTURES WATERCOLORIST WEATHERCASTER
ZINCOGRAPHERS