There are 421 fourteen-letter words containing A, I, P and 2R, https://www.bestwordlist.com/c/a/5/14letterwordswithaiprr.htm ABSORPTIOMETER ABSORPTIOMETRY AMPHIARTHROSES AMPHIARTHROSIS AMPHIPROSTYLAR ANTHROPOMETRIC ANTICORRUPTION ANTIPERSPIRANT ANTIRESORPTIVE ANTISCRIPTURAL APPRECIATORILY APPROPRIATIONS ARCHBISHOPRICS ARCHPRIESTHOOD ARCHPRIESTSHIP AROMATHERAPIES AROMATHERAPIST ARTERIOGRAPHIC ARTHROGRAPHIES ARTHROPLASTIES AUTOBIOGRAPHER AUTORADIOGRAPH BARRISTERSHIPS BIBLIOGRAPHERS BIOGEOGRAPHERS BRACHYGRAPHIES BRACHYPTERISMS CARDIOGRAPHERS CARDIOGRAPHIES CARPOMETACARPI CARTOGRAPHICAL CERAMOGRAPHIES CHARTERPARTIES CHARTOGRAPHIES CHIROGRAPHICAL CHIROGRAPHISTS CHLORPROMAZINE CHLORPROPAMIDE CHOREOGRAPHIES CHOREOGRAPHING CHOROGRAPHICAL CHROMATOPHORIC CHRONOGRAPHIES CLAPTRAPPERIES COCHAIRPERSONS COCONSPIRATORS COMPURGATORIAL CONCORPORATING CONSPIRATORIAL CONTAINERPORTS CONTEMPORARIES CONTEMPORARILY COPARTNERSHIPS CORPORATIVISMS CORPOREALISING CORPOREALITIES CORPOREALIZING CORPUSCULARIAN CORPUSCULARITY COTRANSPORTING COUNTERPARTIES CRYMOTHERAPIES CRYPTOGRAPHIES CRYPTOGRAPHIST CRYPTOSPORIDIA CURIETHERAPIES DERMATOGRAPHIA DERMATOGRAPHIC DIPTEROCARPOUS DISAPPROBATORY DISAPPROPRIATE DISCORPORATING DISINCORPORATE DISPROPRIATING DISTEMPERATURE ELECTROGRAPHIC EPIGRAMMATISER EPIGRAMMATIZER ERYTHROPHOBIAS EXPROPRIATIONS EXTRAPYRAMIDAL FERROPRUSSIATE FLAVOPURPURINS FLUOROGRAPHIES FRACTOGRAPHIES HARPSICHORDIST HERESIOGRAPHER HERMAPHRODITES HERMAPHRODITIC HETEROGRAPHIES HETEROPOLARITY HIEROGRAPHICAL HISTORIOGRAPHY HORRIPILATIONS HYDROGRAPHICAL HYDROTHERAPIES HYDROTHERAPIST HYGROGRAPHICAL HYPERBARICALLY HYPERIRRITABLE HYPERKERATOSIS HYPERKERATOTIC HYPERMETROPIAS HYPERNATRAEMIA HYPERPARASITES HYPERPARASITIC HYPERPITUITARY HYPERPOLARISED HYPERPOLARISES HYPERPOLARIZED HYPERPOLARIZES HYPERPROSEXIAS HYPERREALISTIC HYPERREALITIES HYPERROMANTICS HYPERTROPHICAL HYPERURBANISMS HYPERURICAEMIA HYPERURICEMIAS IMPERATORIALLY IMPERATORSHIPS IMPERFORATIONS IMPERTURBATION IMPROPRIATIONS IMPROVISATORES IMPROVISATRICE IMPROVVISATORE INCORPORATIONS INCORPOREALITY INFOPRENEURIAL INFRALAPSARIAN INTERCOMPARING INTERCORPORATE INTEROPERATING INTEROPERATIVE INTERPAROCHIAL INTERPELLATORS INTERPENETRANT INTERPENETRATE INTERPERMEATED INTERPERMEATES INTERPILASTERS INTERPLANETARY INTERPRETATING INTERPRETATION INTERPRETATIVE INTERPUPILLARY IRREPARABILITY IRREPLEVISABLE IRREPROACHABLE IRREPROACHABLY LEXICOGRAPHERS LIBRARIANSHIPS MACROSPORANGIA MALAPPROPRIATE MARCONIGRAPHED MARSIPOBRANCHS MERCAPTOPURINE METEOROGRAPHIC MICROAEROPHILE MICROBAROGRAPH MICROPARASITES MICROPARASITIC MICROPARTICLES MICROSPHERICAL MICROSPORANGIA MICROSPORIDIAN MISAPPROPRIATE MISPROGRAMMING MODERATORSHIPS MORPHOGRAPHIES MULTIPARAMETER MYOCARDIOGRAPH NITROPARAFFINS NONPROPRIETARY NONRECIPROCALS OBSTREPERATING ORGANOGRAPHIES ORGANOGRAPHIST OROGRAPHICALLY ORTHOGRAPHICAL ORTHOGRAPHISTS OVERPARTICULAR OVERPERSUADING OVERPERSUASION OVERPROGRAMING PANARTHRITISES PANRADIOMETERS PARAGRAMMATIST PARAJOURNALISM PARAMETERISING PARAMETERIZING PARAMETRICALLY PARAMILITARIES PARAPHRASTICAL PARAROSANILINE PAROEMIOGRAPHY PARTHENOCARPIC PARTICLEBOARDS PARTICULARISED PARTICULARISER PARTICULARISES PARTICULARISMS PARTICULARISTS PARTICULARIZED PARTICULARIZER PARTICULARIZES PARTICULARNESS PARTRIDGEBERRY PARTURIFACIENT PATRIARCHALISM PEREGRINATIONS PERENNIBRANCHS PERFORMABILITY PERFORMATIVELY PERICARDITIDES PERICARDITISES PERIMETRICALLY PERIPHRASTICAL PERLOCUTIONARY PERLUSTRATIONS PERPENDICULARS PERSCRUTATIONS PERSEVERATIONS PERTURBATIONAL PERTURBATORIES PETROGRAPHICAL PHRASEOGRAPHIC PHYSIOGRAPHERS PICORNAVIRUSES PIPIWHARAUROAS PLATYRRHINIANS POLAROGRAPHIES PRAISEWORTHIER PRAISEWORTHILY PREAUTHORIZING PRECARIOUSNESS PRECONTRACTING PREDESIGNATORY PREDESTINARIAN PREDESTINATORS PREDETERMINATE PREFABRICATING PREFABRICATION PREFABRICATORS PREFERENTIALLY PREFIGURATIONS PREFORMULATING PREMANDIBULARS PREMAXILLARIES PREMILLENARIAN PREOPERATIONAL PREOPERATIVELY PREORDAINMENTS PREORDINATIONS PREPONDERATING PREPONDERATION PREPROGRAMMING PRESBYTERIALLY PRESERVABILITY PRESERVATORIES PRESSURISATION PRESSURIZATION PRETERMINATION PREVARICATIONS PRIMORDIALISMS PRIORITISATION PRIORITIZATION PROBABILIORISM PROBABILIORIST PROBATIONARIES PROCRASTINATED PROCRASTINATES PROCRASTINATOR PROCRYPTICALLY PROCURATORSHIP PROFESSORIALLY PROFESSORIATES PROGNOSTICATOR PROGRESSIONARY PROHIBITIONARY PROLETARIANISE PROLETARIANISM PROLETARIANIZE PROLIFERATIONS PRONUCLEARISTS PROPAGANDISERS PROPAGANDIZERS PROPERISPOMENA PROPITIATORIES PROPITIATORILY PROPORTIONABLE PROPORTIONABLY PROPORTIONALLY PROPORTIONATED PROPORTIONATES PROTHONOTARIAL PROTHONOTARIAT PROTHONOTARIES PROTOHISTORIAN PROTONOTARIATS PROTOSPATAIRES PROTOSPATHAIRE PROTUBERANCIES PROTUBERATIONS PROVENTRICULAR PROVERBIALISED PROVERBIALISES PROVERBIALISMS PROVERBIALISTS PROVERBIALIZED PROVERBIALIZES PROVISIONARIES PSEUDARTHROSIS PTERYLOGRAPHIC PYROMETRICALLY RADIOAUTOGRAPH RADIOTELEGRAPH RADIOTHERAPIES RADIOTHERAPIST REALPOLITIKERS REAPPORTIONING REAPPRAISEMENT REAPPROPRIATED REAPPROPRIATES RECAPITULATORY RECIPROCATIONS REEXPLORATIONS REEXPORTATIONS REGISTRARSHIPS REIMPORTATIONS REINCORPORATED REINCORPORATES REPARABILITIES REPARTITIONING REPOLARISATION REPOLARIZATION REPOPULARISING REPOPULARIZING REPRESENTATION REPRESENTATIVE REPRISTINATING REPRISTINATION REPROBATIONARY RESPIRITUALISE RESPIRITUALIZE RHYPAROGRAPHIC SAUROPTERYGIAN SCRIPTURALISMS SCRIPTURALISTS SECRETARYSHIPS SEISMOGRAPHERS SHARECROPPINGS SNIPPERSNAPPER SPARKLEBERRIES SPECTROGRAPHIC SPIRITUALISERS SPIRITUALIZERS SPORANGIOPHORE SPORANGIOSPORE SPORTFISHERMAN SPRINGBOARDING STEREOGRAPHIES STEREOGRAPHING STRATIGRAPHERS STRATIGRAPHIES STRATIGRAPHIST SUBPROLETARIAT SUPERACHIEVERS SUPERCARGOSHIP SUPERCILIARIES SUPERCRIMINALS SUPEREROGATING SUPEREROGATION SUPEREROGATIVE SUPERGRAVITIES SUPERHARDENING SUPERIMPORTANT SUPERNORMALITY SUPERORDINATED SUPERORDINATES SUPERORGANISMS SUPERPARTICLES SUPERPATRIOTIC SUPERREGIONALS SUPRACHOROIDAL SUPRALAPSARIAN SUPRAMAXILLARY SURROGATESHIPS TETRASPORANGIA THERIANTHROPIC THERMOGRAPHIES TRANSCRIPTASES TRANSCRIPTIONS TRANSCRIPTOMES TRANSPARENCIES TRANSPARENTISE TRANSPARENTIZE TRANSPIRATIONS TRANSPORTATION TRANSPORTINGLY TREASURERSHIPS TRIPERSONALISM TRIPERSONALIST TRIPERSONALITY ULTRACREPIDATE ULTRAPATRIOTIC ULTRAPRACTICAL ULTRAPRECISION UNAPPROPRIATED UNAPPROPRIATES UNDERSTRAPPING UNINCORPORATED UNPRAISEWORTHY UNRECIPROCATED UNSCRIPTURALLY UPROARIOUSNESS URANOGRAPHICAL URANOGRAPHISTS WATERPROOFINGS WHIPPERSNAPPER