There are 558 fourteen-letter words containing A, C, E, P and R, https://www.bestwordlist.com/c/a/5/14letterwordswithacepr.htm
ACTINOMORPHIES AFFENPINSCHERS ALPHAMERICALLY ALPHANUMERICAL ANAMORPHOSCOPE
ANDROCEPHALOUS ANTHROPOMETRIC ANTICENSORSHIP ANTINEPHRITICS ANTIREPUBLICAN
APERIODICITIES APOCRYPHALNESS APPERTAINANCES APPRECIATIVELY APPRECIATORILY
APPRENTICEHOOD APPRENTICEMENT APPRENTICESHIP ARCHETYPICALLY ARCHIEPISCOPAL
ARCHPRIESTHOOD ARCHPRIESTSHIP ARTERIOGRAPHIC ASTHENOSPHERIC ASTROCOMPASSES
BACTERIOPHAGES BACTERIOPHAGIC BRACHYCEPHALIC BRACHYGRAPHIES BRACHYPTERISMS
CAESAROPAPISMS CALCIPOTRIENES CAMPYLOBACTERS CANCEROPHOBIAS CAPELLMEISTERS
CAPPARIDACEOUS CAPRICIOUSNESS CARBAMAZEPINES CARDIOGRAPHERS CARDIOGRAPHIES
CARPETBAGGINGS CARPOMETACARPI CATHODOGRAPHER CENTRIPETALISM CEPHALOMETRIES
CEPHALORIDINES CEPHALOSPORINS CERAMOGRAPHIES CERULOPLASMINS CHALCOGRAPHERS
CHALCOGRAPHIES CHANCELLORSHIP CHARTERPARTIES CHARTOGRAPHERS CHARTOGRAPHIES
CHEMAUTOTROPHS CHEMOAUTOTROPH CHEMOTHERAPIES CHEMOTHERAPIST CHLAMYDOSPORES
CHLORPROMAZINE CHLORPROPAMIDE CHOREOGRAPHERS CHOREOGRAPHIES CHOREOGRAPHING
CHRISTOPHANIES CHROMATOPHORES CHROMATOSPHERE CHRONOGRAPHERS CHRONOGRAPHIES
CINEMATOGRAPHS CINEMATOGRAPHY CLAPPERCLAWERS CLAPPERCLAWING CLAPTRAPPERIES
CLAUSTROPHOBES COCHAIRPERSONS COLONOGRAPHIES COMETOGRAPHIES COMMANDERSHIPS
COMPARABLENESS COMPARTMENTING COMPUTERISABLE COMPUTERIZABLE COMPUTERPHOBIA
CONCEPTUALISER CONCEPTUALIZER CONTAINERPORTS CONTAINERSHIPS CONTEMPERATION
CONTEMPERATURE CONTEMPORANEAN CONTEMPORARIES CONTEMPORARILY CONTRACEPTIONS
CONTRACEPTIVES CONTRAPOSITIVE CONVERTAPLANES CONVERTIPLANES CONVERTOPLANES
COOPERATIONIST COPARTNERSHIPS CORPOREALISING CORPOREALITIES CORPOREALIZING
COTEMPORANEOUS COTRANSPORTERS COUNTEREXAMPLE COUNTERPARTIES COUNTERPLANNED
COUNTERPLAYERS COUNTERPLAYING COUNTERPLEADED CRYMOTHERAPIES CRYOPROTECTANT
CRYPTAESTHESIA CRYPTAESTHETIC CRYPTESTHESIAS CRYPTOGRAPHERS CRYPTOGRAPHIES
CURIETHERAPIES CYPROHEPTADINE DACTYLOGRAPHER DECREPITATIONS DEPRECIATINGLY
DERMATOGLYPHIC DERMATOGRAPHIC DERMATOPLASTIC DESPOTOCRACIES DIAHELIOTROPIC
DIPTEROCARPOUS DISAPPEARANCES DISCEPTATORIAL DISINCORPORATE DISPURVEYANCES
DISRESPECTABLE ECOCATASTROPHE ECTYPOGRAPHIES EDRIOPHTHALMIC ELECTROGRAPHIC
ELECTROPLATERS ELECTROPLATING ELECTROTHERAPY EMPYREUMATICAL ENANTIOMORPHIC
ENCEPHALOGRAMS ENCEPHALOGRAPH ENDOCRINOPATHY EPIGRAMMATICAL EPIGRAPHICALLY
EPITRACHELIONS EQUIPONDERANCE EQUIPONDERANCY ERGASTOPLASMIC ETHNOGRAPHICAL
EUPHORBIACEOUS EUTROPHICATION EXPECTORATIONS EXPECTORATIVES EXPERIENCEABLE
EXTRACORPOREAL FRACTOGRAPHIES GEOGRAPHICALLY HELIOGRAPHICAL HEPATOCELLULAR
HEPATOPANCREAS HERMAPHRODITIC HERPETOLOGICAL HIEROGLYPHICAL HIEROGRAPHICAL
HYDROCEPHALICS HYDROCEPHALIES HYDROCEPHALOID HYDROCEPHALOUS HYDROPNEUMATIC
HYETOGRAPHICAL HYPERACIDITIES HYPERACUTENESS HYPERAESTHESIC HYPERAESTHETIC
HYPERBARICALLY HYPERBATICALLY HYPERBOLICALLY HYPERCALCAEMIA HYPERCALCAEMIC
HYPERCALCEMIAS HYPERCATABOLIC HYPERCATALEXES HYPERCATALEXIS HYPERDACTYLIES
HYPEREXCITABLE HYPERGLYCAEMIA HYPERGLYCAEMIC HYPERGLYCEMIAS HYPERGOLICALLY
HYPERKERATOTIC HYPERMASCULINE HYPERMETABOLIC HYPERPARASITIC HYPERREALISTIC
HYPERROMANTICS HYPERSARCOMATA HYPERSONICALLY HYPERTROPHICAL HYPERURICAEMIA
HYPERURICEMIAS HYPERVIGILANCE HYPOALLERGENIC HYPODERMICALLY IMPERMANENCIES
IMPROVISATRICE INAPPRECIATION INAPPRECIATIVE INAPPROACHABLE INCORPOREALITY
INDECIPHERABLE INDECIPHERABLY INTERCOMPANIES INTERCOMPARING INTERCORPORATE
INTERPAROCHIAL INTERPUNCTUATE IRREPROACHABLE IRREPROACHABLY ISENTROPICALLY
KERATINOPHILIC LARYNGOSCOPIES LETTERSPACINGS LEXICOGRAPHERS LEXICOGRAPHIES
LEXICOGRAPHIST MACRENCEPHALIA MACROCEPHALIAS MACROCEPHALIES MACROCEPHALOUS
MAGNETOSPHERIC MARCONIGRAPHED MECHANOTHERAPY MERCAPTOPURINE METALLOGRAPHIC
METAPHORICALLY METAPHOSPHORIC METAPHRASTICAL METEMPIRICALLY METEOROGRAPHIC
METOCLOPRAMIDE METROPOLITICAL MICROAEROPHILE MICROCEPHALICS MICROCEPHALIES
MICROCEPHALOUS MICROPARASITES MICROPARTICLES MICROPEGMATITE MICROSPHERICAL
MISAPPRECIATED MISAPPRECIATES MONOCARPELLARY MULTIPARTICLES MYRMECOPHAGOUS
NONAPPEARANCES NONCOOPERATION NONCOOPERATIVE NONCOOPERATORS NONPERFORMANCE
NONRECIPROCALS NONSPECTACULAR NONTHERAPEUTIC OCEANOGRAPHERS OCEANOGRAPHIES
ORTHOCEPHALIES ORTHOCEPHALOUS ORTHOPEDICALLY OVERCAPACITIES OVERCAPITALISE
OVERCAPITALIZE OVERCOMPENSATE OVERCOMPLIANCE OVERCOMPLICATE OVERPARTICULAR
OVERSPECIALISE OVERSPECIALIZE OVERSPECULATED OVERSPECULATES PACHYDERMATOUS
PAEDIATRICIANS PALAEANTHROPIC PALAEOCURRENTS PALEOGRAPHICAL PANCREATECTOMY
PANCREATITIDES PANCREATITISES PANTISOCRACIES PARAMETRICALLY PARCHMENTISING
PARCHMENTIZING PARENCHYMATOUS PAROCHIALITIES PARTHENOCARPIC PARTICLEBOARDS
PARTICULARISED PARTICULARISER PARTICULARISES PARTICULARIZED PARTICULARIZER
PARTICULARIZES PARTICULARNESS PARTURIFACIENT PECTINESTERASE PEDANTOCRACIES
PERCEIVABILITY PERCUTANEOUSLY PERENNIBRANCHS PERFECTABILITY PERFECTIBILIAN
PERFECTIONATED PERFECTIONATES PERICARDITIDES PERICARDITISES PERIMETRICALLY
PERIODICALISTS PERIPATETICISM PERIPHRASTICAL PERISCOPICALLY PERISSODACTYLE
PERISSODACTYLS PERLOCUTIONARY PERPENDICULARS PERSCRUTATIONS PERSPICACITIES
PERTINACIOUSLY PETRIFICATIONS PETROCHEMICALS PETROGRAPHICAL PETROLOGICALLY
PHALLOCENTRISM PHARMACEUTICAL PHARMACEUTISTS PHARMACOLOGIES PHARMACOPOEIAL
PHARMACOPOEIAN PHARMACOPOEIAS PHARMACOPOEIST PHARYNGOSCOPES PHOSPHOCREATIN
PHOTOREACTIONS PHOTOREALISTIC PHRASEOGRAPHIC PHRASEOLOGICAL PICORNAVIRUSES
PITHECANTHROPI PLUVIOMETRICAL PNEUMOGASTRICS PNEUMOTHORACES POCOCURANTEISM
POLYACRYLAMIDE POLYCARBONATES POLYCARPELLARY POLYPHARMACIES POLYSACCHARIDE
POLYSACCHAROSE PORCELAINISING PORCELAINIZING PORCELLANISING PORCELLANIZING
PORTULACACEOUS POSTDOCTORATES PRACTICALITIES PREACQUAINTING PREACQUISITION
PREADOLESCENCE PREADOLESCENTS PREANAESTHETIC PRECARIOUSNESS PRECEDENTIALLY
PRECESSIONALLY PRECIPITANCIES PRECIPITATIONS PRECONISATIONS PRECONIZATIONS
PRECONSONANTAL PRECONTRACTING PREDACEOUSNESS PREDACIOUSNESS PREDICABLENESS
PREDICTABILITY PREDOMINANCIES PREFABRICATING PREFABRICATION PREFABRICATORS
PREJUDICATIONS PREMANUFACTURE PREMEDICATIONS PREOCCUPANCIES PREOCCUPATIONS
PREPERFORMANCE PREPONDERANCES PREPUBLICATION PRESANCTIFYING PRESYMPTOMATIC
PRETTIFICATION PREUNIFICATION PREVARICATIONS PREVOCALICALLY PRINCIPALITIES
PROCELEUSMATIC PROCESSABILITY PROCESSIONALLY PROCRASTINATED PROCRASTINATES
PROGNOSTICATED PROGNOSTICATES PROJECTISATION PROJECTIZATION PRONUCLEARISTS
PRONUNCIAMENTO PROPAEDEUTICAL PROSENCEPHALIC PROSENCEPHALON PROSTHETICALLY
PROTOCHORDATES PROTRACTEDNESS PROTUBERANCIES PROVENTRICULAR PROVINCIALISED
PROVINCIALISES PROVINCIALIZED PROVINCIALIZES PSYCHOANALYSER PSYCHOANALYZER
PSYCHOBABBLERS PSYCHOGRAPHIES PSYCHOMETRICAL PTERIDOLOGICAL PTERYLOGRAPHIC
PUNDITOCRACIES PYROCHEMICALLY PYROMETRICALLY PYROTECHNICIAN QUADRUPLICATED
QUADRUPLICATES QUASIPARTICLES RAMAPITHECINES RAPPROCHEMENTS REAPPLICATIONS
RECAPITALISING RECAPITALIZING RECAPITULATING RECAPITULATION RECAPITULATIVE
RECAPITULATORY RECHOREOGRAPHS RECIPROCATIONS RECOMPILATIONS RECOMPUTATIONS
REDUPLICATIONS REFLECTOGRAPHS REFLECTOGRAPHY REINCORPORATED REINCORPORATES
REPLACEABILITY REPUBLICANISED REPUBLICANISES REPUBLICANISMS REPUBLICANIZED
REPUBLICANIZES REPUBLICATIONS REPUNCTUATIONS RESPECTABILISE RESPECTABILITY
RESPECTABILIZE RHINENCEPHALIC RHINENCEPHALON RHIZOCEPHALANS RHIZOCEPHALOUS
RHOMBENCEPHALA SCENOGRAPHICAL SCHIZOPHRENIAS SCINTIGRAPHIES SCISSIPARITIES
SECRETARYSHIPS SEMAPHORICALLY SEMIPORCELAINS SEROPREVALENCE SHARECROPPINGS
SPECTACULARITY SPECTATORSHIPS SPECTRALNESSES SPECTROGRAPHIC SPECTROLOGICAL
SPERMATOPHYTIC SPERMATOTHECAE SPERMATOTHECAS SPHAEROCRYSTAL SPHERICALITIES
SPHEROIDICALLY SPINTHARISCOPE SPIROCHAETOSES SPIROCHAETOSIS SPIRONOLACTONE
SPORADICALNESS STEEPLECHASERS STEGANOGRAPHIC STENOGRAPHICAL STEREOSCOPICAL
STREPTOBACILLI SUBAPPEARANCES SUBATMOSPHERIC SUBTHERAPEUTIC SUPERABUNDANCE
SUPERACHIEVERS SUPERCALENDERS SUPERCARGOSHIP SUPERCELESTIAL SUPERCILIARIES
SUPERCRIMINALS SUPERFICIALISE SUPERFICIALITY SUPERFICIALIZE SUPERMASCULINE
SUPERPARTICLES SUPERPATRIOTIC SUPERSONICALLY SUPERSPECTACLE SUPRAMOLECULAR
SUPRAMOLECULES SUSPERCOLLATED SUSPERCOLLATES TECHNOGRAPHIES TELAUTOGRAPHIC
THERIANTHROPIC THERMOPLASTICS THERMOSCOPICAL TRACHEOSCOPIES TRACHYPTERUSES
TRANSCRIPTASES TRANSCRIPTOMES TRANSPARENCIES TRANSPLACENTAL TRANSPORTANCES
TROPOCOLLAGENS ULTRACOMPETENT ULTRACREPIDATE ULTRAPRECISION UNAPPRECIATION
UNAPPRECIATIVE UNAPPROACHABLE UNCONTEMPORARY UNDECIPHERABLE UNDECIPHERABLY
UNINCORPORATED UNMETAPHORICAL UNPREDICTABLES UNPURCHASEABLE UNRECAPTURABLE
UNRECIPROCATED UNRESPECTABLES XEROPHYTICALLY