There are 966 twelve-letter words containing A, 2E, P and R, https://www.bestwordlist.com/c/a/5/12letterwordswithaeepr.htm ABRUPTNESSES ACUPRESSURES ADRENOCEPTOR AECIDIOSPORE AECIDOSPORES AEOLOTROPIES AEROGRAPHIES AETHRIOSCOPE AFTERPARTIES AFTERSUPPERS ALPHABETISER ALPHABETIZER AMPEROMETRIC AMPHITHEATER AMPHITHEATRE ANCHORPEOPLE ANSWERPHONES ANTIPLEASURE APFELSTRUDEL APITHERAPIES APOTHECARIES APPARELMENTS APPARENTNESS APPARTEMENTS APPERCEIVING APPERCEPTION APPERCEPTIVE APPERCIPIENT APPERTINENTS APPLERINGIES APPRAISEMENT APPRECIATIVE APPREHENDING APPREHENSION APPREHENSIVE APPURTENANCE ARCHIPHONEME AREOGRAPHIES ARMIPOTENCES ARSENOPYRITE ARSPHENAMINE ASPHETERISED ASPHETERISES ASPHETERISMS ASPHETERIZED ASPHETERIZES ASTROSPHERES ATTEMPERMENT AUTOEXPOSURE BACKSPEERING BAPTISTERIES BAROPHORESES BARORECEPTOR BATHYSPHERES BENZOAPYRENE BEPLASTERING BESPATTERING BLASTOSPHERE BOILERPLATED BOILERPLATES BREASTPLATES BREVIPENNATE CAMELEOPARDS CAMERAPERSON CAMERAPHONES CAMPIMETRIES CANDLEPOWERS CANEPHORUSES CAPERCAILLIE CAPERCAILZIE CAPERNOITIES CARPENTERING CARPETBAGGED CARPETBAGGER CARPETMONGER CATAPHORESES CEPHALOMETER CEPHALOMETRY CEROGRAPHIES CHAPERONAGES CHAPTERHOUSE CHEESEPARERS CHEESEPARING CHEMOTHERAPY CHESSPLAYERS CHOREGRAPHED CHOREGRAPHER COLEOPTERANS COMPEARANCES COOPERATIVES COPARTNERIES COPPERPLATES CORPOREALISE CORPOREALIZE COUNTERPACES COUNTERPANES COUNTERPLEAD COUNTERPLEAS CRAFTSPEOPLE CRAPEHANGERS CREATURESHIP CREPEHANGERS CREPEHANGING CRIPPLEWARES CURIETHERAPY DAPPERNESSES DECIPHERABLE DECREPITATED DECREPITATES DEEPWATERMAN DEEPWATERMEN DEMOGRAPHERS DEMOGRAPHIES DEPARTEMENTS DEPARTMENTAL DEPAUPERATED DEPAUPERATES DEPAUPERISED DEPAUPERISES DEPAUPERIZED DEPAUPERIZES DEPHLEGMATOR DEPILATORIES DEPOLARISERS DEPOLARIZERS DEPOSITARIES DEPRAVEDNESS DEPRAVEMENTS DEPRECATIONS DEPRECIATING DEPRECIATION DEPRECIATIVE DEPRECIATORS DEPRECIATORY DEPREDATIONS DEPROGRAMMED DEPROGRAMMER DEPROGRAMMES DERMAPTERANS DERMATOPHYTE DESIPRAMINES DESPERATIONS DESULPHURATE DEUTERANOPES DEUTERANOPIA DEUTERANOPIC DEUTEROPLASM DISCREPANCES DISPAUPERISE DISPAUPERIZE DISPENSARIES DISPLEASURED DISPLEASURES DISREPUTABLE DISTEMPERATE DOPPELGANGER DRAFTSPEOPLE EAVESDROPPED EAVESDROPPER ECHOGRAPHIES ECTOPARASITE ELECTROGRAPH ELECTROPLATE ELECTROPOLAR EMPARLAUNCES EMPLASTERING EMPYREUMATIC ENDOPARASITE EPANORTHOSES EPHEMERALITY EPHEMERIDIAN EPICHEIREMAS EPICUREANISM EPIRRHEMATIC EPISTOLARIES EQUIPROBABLE ERYSIPELASES ERYTHROPENIA ETHNOGRAPHER EVAPORIMETER EVAPOROMETER EXAMINERSHIP EXASPERATERS EXASPERATING EXASPERATION EXASPERATIVE EXASPERATORS EXOPARASITES EXOSPHERICAL EXPECTORANTS EXPECTORATED EXPECTORATES EXPECTORATOR EXPERIENTIAL EXPERIMENTAL EXPRESSIONAL EXPROBRATIVE EXPROPRIABLE EXPROPRIATED EXPROPRIATES EXTEMPORALLY EXTRAHEPATIC EXTRAPOLATED EXTRAPOLATES FINGERPLATES FLAMEPROOFED FLAMEPROOFER FOREPAYMENTS FORESPEAKING FRANKPLEDGES GAMETOPHORES GENERALSHIPS GLASSPAPERED GRANDEESHIPS GRANDNEPHEWS GREASEPAINTS GREASEPROOFS HAEMOPROTEIN HAMPEREDNESS HASENPFEFFER HEBEPHRENIAC HEBEPHRENIAS HECTOGRAPHED HELIOGRAPHED HELIOGRAPHER HELIOTHERAPY HEMERALOPIAS HEMIPARASITE HEPTAHEDRONS HERPETOFAUNA HETEROGRAPHY HETEROPLASIA HETEROPLASTY HETEROPTERAN HETEROTOPIAS HIEROGRAPHER HORSEPLAYERS HOUSEPAINTER HOUSEPARENTS HYMENOPTERAN HYPERACTIVES HYPERALGESIA HYPERALGESIC HYPERBOLAEON HYPERBOREANS HYPERCHARGED HYPERCHARGES HYPERKINESIA HYPERLIPEMIA HYPERMARKETS HYPERMNESIAS HYPERMUTABLE HYPEROREXIAS HYPERPYREXIA HYPERREACTOR HYPERREALISM HYPERREALIST HYPERREALITY HYPERSENSUAL HYPERSTHENIA HYPERSURFACE HYPERTEXTUAL HYPERTHERMAL HYPERTHERMIA IDEOGRAPHIES IMPENETRABLE IMPENETRABLY IMPENETRATED IMPENETRATES IMPERATIVELY IMPERFORABLE IMPERFORATED IMPERIALISED IMPERIALISES IMPERIALIZED IMPERIALIZES IMPERIALNESS IMPERISHABLE IMPERMANENCE IMPERMANENCY IMPERSONATED IMPERSONATES IMPIERCEABLE IMPONDERABLE INEXTIRPABLE INOPERCULATE INSEPARABLES INSPECTORATE INTEMPERANCE INTEMPERANTS INTERCHAPTER INTERCOMPARE INTEROPERATE INTERPARTIES INTERPELLANT INTERPELLATE INTERPLANTED INTERPLEADED INTERPLEADER INTERPLEURAL INTERPOLABLE INTERPOLATED INTERPOLATER INTERPOLATES INTERPOSABLE INTERPRETATE INTERSPERSAL INTRAPRENEUR INTRASPECIES IRREPAIRABLE IRREPEALABLE IRREPEALABLY IRREPROVABLE IRRESPIRABLE ISODIAPHERES ISOPRENALINE JAPONAISERIE JELLYGRAPHED KERATOPHYRES LAMPOONERIES LAUREATESHIP LEOPARDESSES LEPIDOPTERAN LEXIGRAPHIES LOUDSPEAKERS MADREPORITES MALAPERTNESS MANSPREADERS MARKETPLACES MARLINESPIKE MASTERPIECES MEGAPROJECTS MELANOPHORES MEPROBAMATES METACARPUSES METACOMPUTER METAMORPHOSE METAPERIODIC METAPROTEINS METEMPIRICAL METEOROGRAPH MICROAMPERES MILLIAMPERES MIMEOGRAPHED MISAPPREHEND MISPERSUADED MISPERSUADES MOUSETRAPPED MUCKSPREADER NARCOLEPSIES NECROGRAPHER NEMATOPHORES NEUROPATHIES NEUROPTERANS NEUTROPENIAS NEWSPAPERDOM NEWSPAPERING NEWSPAPERISM NEWSPAPERMAN NEWSPAPERMEN NONOPERATIVE NONPASSERINE NONPERMANENT NONREPAYABLE NUMBERPLATES OBSTREPERATE OBTEMPERATED OBTEMPERATES OLEOGRAPHIES OPERATORLESS OPOTHERAPIES OPPIGNERATED OPPIGNERATES OREOGRAPHIES OREPEARCHING ORTHOPAEDIES OSTREOPHAGES OVERCANOPIED OVERCANOPIES OVEREMPHASES OVEREMPHASIS OVEREMPHATIC OVEREXPANDED OVEREXPLAINS OVERHAPPIEST OVEROPERATED OVEROPERATES OVERPACKAGED OVERPACKAGES OVERPAYMENTS OVERPEDALING OVERPEDALLED OVERPERSUADE OVERPOPULATE OVERPREPARED OVERPREPARES PAEDERASTIES PALEOGRAPHER PALTRINESSES PAMPEREDNESS PAMPHLETEERS PANTHERESSES PAPERBACKERS PAPERHANGERS PAPERINESSES PAPERWEIGHTS PAPPARDELLES PARABLEPSIES PARACENTESES PARACENTESIS PARAENETICAL PARAESTHESIA PARAESTHETIC PARAGENESIAS PARALDEHYDES PARALLELISED PARALLELISES PARALLELIZED PARALLELIZES PARALLELWISE PARAMETERISE PARAMETERIZE PARAMETRISED PARAMETRISES PARAMETRIZED PARAMETRIZES PARARESCUERS PARASCENDERS PARASCIENCES PARCHMENTIER PARCHMENTISE PARCHMENTIZE PARENCEPHALA PARENTERALLY PARENTHESISE PARENTHESIZE PARESTHESIAS PASQUEFLOWER PASSEMEASURE PASTEURELLAE PASTEURELLAS PASTEURISERS PASTEURIZERS PASTOURELLES PATERNOSTERS PATRILINEAGE PEACEKEEPERS PEACOCKERIES PEARLESCENCE PEARLINESSES PECULIARISED PECULIARISES PECULIARIZED PECULIARIZES PEDICELLARIA PEJORATIVELY PENETRANCIES PENETRATIONS PENITENTIARY PENSIONARIES PENTAHEDRONS PENTAHYDRATE PENTAMERISMS PERACIDITIES PERADVENTURE PERAMBULATED PERAMBULATES PERCEPTIONAL PERCEPTUALLY PERCHLORATES PERCUTANEOUS PEREGRINATED PEREGRINATES PEREGRINATOR PERENNATIONS PERENNIALITY PERESTROIKAS PERFECTATION PERFORATUSES PERFORMANCES PERFORMATIVE PERGAMENEOUS PERICHAETIAL PERICHAETIUM PERICLITATED PERICLITATES PERIMETRICAL PERIPATETICS PERIPHERALLY PERIPHERICAL PERITONAEUMS PERITONEALLY PERLUSTRATED PERLUSTRATES PERMACULTURE PERMANENCIES PERMANGANATE PERMEABILITY PERMEAMETERS PERMITTANCES PERPETRATING PERPETRATION PERPETRATORS PERPETUALISM PERPETUALIST PERPETUALITY PERPETUANCES PERPETUATING PERPETUATION PERPETUATORS PERPHENAZINE PERSEVERANCE PERSEVERATED PERSEVERATES PERSEVERATOR PERSONALISED PERSONALISES PERSONALIZED PERSONALIZES PERSONALTIES PERSPECTIVAL PERSUASIVELY PERSULPHATES PERTURBANCES PERTURBATIVE PESCETARIANS PETALIFEROUS PETRIFACTIVE PETROGRAPHER PHANEROPHYTE PHARISEEISMS PHEASANTRIES PHELLODERMAL PHENANTHRENE PHENARSAZINE PHILANDERERS PHOTOENGRAVE PHRASEMAKERS PHRASEMONGER PHREATOPHYTE PHYLACTERIES PLACEHOLDERS PLACEKICKERS PLANIMETRIES PLANISPHERES PLANOMETRIES PLASTERINESS PLASTERSTONE PLASTOMETERS PLEASANTRIES PLEASURELESS PLECOPTERANS PLURISERIATE POETASTERIES POETASTERING POLARIMETERS POLYURETHANE POMEGRANATES PONDERANCIES PORCELAINISE PORCELAINIZE PORCELANEOUS PORCELLANISE PORCELLANITE PORCELLANIZE POSTLITERATE POTENTIARIES POWERBOATERS PRATTLEBOXES PRATTLEMENTS PRAXEOLOGIES PRAYERLESSLY PREACHERSHIP PREAMBULATED PREAMBULATES PREAMPLIFIER PREANNOUNCED PREANNOUNCES PREAPPOINTED PREASSEMBLED PREASSURANCE PREAUDIENCES PREAUTHORIZE PREBENDARIES PREBREAKFAST PRECANCELING PRECANCELLED PRECANCEROUS PRECAUTIONED PRECEDENTIAL PRECENTORIAL PRECEPTORATE PRECEPTORIAL PRECESSIONAL PRECIPITABLE PRECIPITANCE PRECIPITATED PRECIPITATES PRECLEARANCE PREDECEASING PREDEPARTURE PREDESIGNATE PREDESTINATE PREDIABETICS PREDIALITIES PREDICAMENTS PREDISCHARGE PREDOMINANCE PREDOMINATED PREDOMINATES PREECLAMPSIA PREECLAMPTIC PREESTABLISH PREFABRICATE PREFECTORIAL PREFERENTIAL PREFIGURATED PREFIGURATES PREFORMATIVE PREFORMATTED PREFORMULATE PREHARDENING PREHARVESTED PREHENSORIAL PREINSTALLED PREJUDICATED PREJUDICATES PRELATESHIPS PRELITERATES PREMARKETING PREMEASURING PREMEDICALLY PREMEDICATED PREMEDICATES PREMEDITATED PREMEDITATES PREMEDITATOR PREMENOPAUSE PREMENSTRUAL PRENEGOTIATE PRENOMINATED PRENOMINATES PREOCCUPATED PREOCCUPATES PREOPERATIVE PREORDINANCE PREPARATIVES PREPAREDNESS PREPONDERANT PREPONDERATE PREPRIMARIES PREPROGRAMED PREPURCHASED PREPURCHASES PREQUALIFIED PREQUALIFIES PREREHEARSAL PRERELEASING PREROGATIVED PREROGATIVES PRESAGEFULLY PRESAGEMENTS PRESBYACUSES PRESBYTERATE PRESBYTERIAL PRESBYTERIAN PRESENTATION PRESENTATIVE PRESENTIALLY PRESERVATION PRESERVATIVE PRESERVATORY PRESIDENTIAL PRESIGNALLED PRESLAUGHTER PRETEENAGERS PRETREATMENT PREVAILMENTS PREVALENCIES PREVARICATED PREVARICATES PREVENANCIES PREVENTATIVE PRIVATEERING PROBLEMATIZE PROFESSORATE PROLEGOMENAL PROLETARIATE PROLIFERATED PROLIFERATES PROMETHAZINE PROOFREADERS PROPAEDEUTIC PROPHESIABLE PROSECUTABLE PROTECTORATE PROTUBERANCE PROTUBERATED PROTUBERATES PROUDHEARTED PROVABLENESS PTERODACTYLE PULVERISABLE PULVERIZABLE PURPLEHEARTS PUTREFACIENT PUTREFACTIVE PYRANOMETERS QUADRICEPSES QUADRUPLEXED QUADRUPLEXES REACCEPTANCE REAPPARELING REAPPARELLED REAPPEARANCE REAPPRAISERS REATTEMPTING RECAPITALISE RECAPITALIZE RECAPITULATE RECEPTACULAR RECEPTACULUM RECIPROCATED RECIPROCATES RECUPERATING RECUPERATION RECUPERATIVE RECUPERATORS RECUPERATORY REDEMPTIONAL REDUPLICATED REDUPLICATES REEMPHASISED REEMPHASISES REEMPHASIZED REEMPHASIZES REEXPLAINING RELANDSCAPED RELANDSCAPES RENOGRAPHIES REOPERATIONS REPATTERNING REPELLANCIES REPETITIONAL REPLACEMENTS REPLASTERING REPLEVISABLE REPOPULARISE REPOPULARIZE REPRESENTANT REPRISTINATE REPRIVATISED REPRIVATISES REPRIVATIZED REPRIVATIZES REPROACHABLE REPROACHLESS REPROGRAMMED REPROGRAMMES REPROGRAPHER REPUGNANCIES REPUNCTUATED REPUNCTUATES REPUTATIVELY RESHARPENING RESPECTABLES RESPONDENTIA RETAINERSHIP RHABDOSPHERE SALESPERSONS SALTPETREMAN SALTPETREMEN SANDPAPERIER SAPROPELITES SCENOGRAPHER SELENOGRAPHS SELENOGRAPHY SEMIPARASITE SEPARATENESS SEPARATIVELY SEPARATORIES SEPARATRICES SEPIOSTAIRES SEPTEMVIRATE SEPTILATERAL SEPTUAGENARY SERGEANTSHIP SERIGRAPHERS SERIGRAPHIES SERJEANTSHIP SHAPESHIFTER SHARECROPPED SHARECROPPER SHARPBENDERS SHEEPSHEARER SHOPBREAKERS SIDEROPENIAS SLEEPWALKERS SLIPSTREAMED SOMATOPLEURE SPACEWALKERS SPARKLEBERRY SPARSENESSES SPEAKERPHONE SPEAKERSHIPS SPEARCARRIER SPEARHEADING SPECIALISERS SPECIALIZERS SPECTATRICES SPECTATRIXES SPECTRALNESS SPECULATRICE SPEECHCRAFTS SPEECHMAKERS SPEEDREADING SPERMAPHYTES SPERMATHECAE SPERMATHECAL SPERMATHECAS SPERMATOCELE SPERMATOCIDE SPERMATOCYTE SPERMATOGENY SPESSARTINES SPESSARTITES SPIROCHAETES SPREADEAGLED SPREADSHEETS SPREAGHERIES SPRECHGESANG STAIRSTEPPED STATESPERSON STEAROPTENES STENOGRAPHED STENOGRAPHER STEPDAUGHTER STEREOGRAPHS STEREOGRAPHY STEVENGRAPHS STRATOSPHERE STREETSCAPES STRIPTEASERS SUBEPIDERMAL SUBTEMPERATE SUPERALTERNS SUPERANNUATE SUPERATHLETE SUPERCABINET SUPERCARGOES SUPERCARRIER SUPERCHARGED SUPERCHARGER SUPERCHARGES SUPERCLASSES SUPERELASTIC SUPERELEVATE SUPEREROGANT SUPEREROGATE SUPEREXALTED SUPERFEMALES SUPERFETATED SUPERFETATES SUPERGRASSES SUPERHARDENS SUPERHEATERS SUPERHEATING SUPERHEAVIES SUPERHELICAL SUPERHUMERAL SUPERLATIVES SUPERLAWYERS SUPERMARKETS SUPERMASSIVE SUPERMUNDANE SUPERNANNIES SUPERNATURES SUPEROCTAVES SUPEROVULATE SUPERPLAYERS SUPERPOSABLE SUPERPRAISED SUPERPRAISES SUPERREALISM SUPERREALIST SUPERSEDABLE SUPERSENSUAL SUPERSPECIAL SUPERTANKERS SUPERTEACHER SUPERWEAPONS TAPSALTEERIE TAPSIETEERIE TEACHERSHIPS TELEGRAPHERS TELEGRAPHESE TELEGRAPHIES TELEGRAPHING TELEGRAPHIST TEMPERALITIE TEMPERAMENTS TEMPERATURES TEMPORALISED TEMPORALISES TEMPORALIZED TEMPORALIZES TEMPORALNESS TEMPORALTIES TEMPORANEOUS TEREPHTHALIC TETRAPLEGIAS TETRAPOLISES TETRAPTEROUS TETRAPYRROLE THEATROPHONE THERAPEUTICS THERAPEUTIST THREEPEATING TIMEPLEASERS TRACHEOPHYTE TRADESPEOPLE TRADESPERSON TRAGELAPHINE TRAINEESHIPS TRANSPARENCE TRANSPIERCED TRANSPIERCES TRAPEZOHEDRA TRAPPINESSES ULTRAPRECISE UNAPPARELLED UNCHAPERONED UNDERDAMPERS UNDERPAYMENT UNDERPLANTED UNDERPRAISED UNDERPRAISES UNEXPURGATED UNPARALLELED UNPERFORATED UNPERISHABLE UNPERSUASIVE UNPREPAREDLY UNREPAIRABLE UNREPEALABLE UNREPEATABLE UNREPEATABLY UNREPENTANCE UNREPORTABLE UNREPROACHED UNREPROVABLE UNREPULSABLE UPWARDNESSES VAPORESCENCE VAPORIMETERS VENOGRAPHIES VESPERTILIAN VIDEOGRAPHER VITUPERATIVE WATERPROOFED WATERPROOFER WEAPONEERING WEATHERPROOF XEROGRAPHERS XEROGRAPHIES ZOOTHERAPIES