There are 649 fourteen-letter words containing A, D, E, O and R, https://www.bestwordlist.com/c/a/5/14letterwordswithadeor.htm ACCREDITATIONS ADENOCARCINOMA ADIATHERMANOUS ADORABLENESSES ADRENOCORTICAL AERODYNAMICIST AEROHYDROPLANE AEROMODELLINGS AFOREMENTIONED AGROINDUSTRIES ALDOSTERONISMS ALLOTETRAPLOID AMBIDEXTROUSLY ANACARDIACEOUS ANDROCENTRISMS ANDROCEPHALOUS ANDRODIOECIOUS ANDRODIOECISMS ANDROGYNOPHORE ANDROMEDOTOXIN ANDROMONOECISM ANIMADVERSIONS ANTIDEMOCRATIC ANTIDEPRESSION ANTIDIARRHOEAL ANTIMODERNISTS APERIODICITIES APPRENTICEHOOD APPROPINQUATED ARCHDEACONRIES ARCHIDIACONATE ARCHPRIESTHOOD ARRONDISSEMENT ASSORTEDNESSES AUDIOMETRICIAN AUTODESTRUCTED AUTOTETRAPLOID BERBERIDACEOUS BIODEGRADABLES BIODEGRADATION BIOREMEDIATION BOARDERCROSSES BOARDINGHOUSES BOWDLERISATION BOWDLERIZATION CADAVEROUSNESS CAPPARIDACEOUS CARDIOCENTESES CARDIOCENTESIS CARDIOGRAPHERS CARDIOGRAPHIES CARDIOMEGALIES CARDIOVERSIONS CATHODOGRAPHER CEPHALORIDINES CHLAMYDOSPORES CHLOROTHIAZIDE CHLORPROPAMIDE CHLORTHALIDONE CHONDROMATOSES CHONDROSAMINES CHORDAMESODERM COADMINISTERED COASTGUARDSMEN COLLATERALISED COLLATERALIZED COMMANDERSHIPS COMMERCIALISED COMMERCIALIZED CONCENTRATEDLY CONFEDERATIONS CONNATURALISED CONNATURALIZED CONQUISTADORES CONSIDERATIONS CONSUETUDINARY CONTAINERBOARD CONTRACTEDNESS CONTRADICTABLE CONTRAINDICATE COORDINATENESS CORINTHIANISED CORINTHIANIZED COSTARDMONGERS COUNTERCHANGED COUNTERCHARGED COUNTERCHARMED COUNTERCLAIMED COUNTERDEMANDS COUNTERDRAWING COUNTERMANDING COUNTERMARCHED COUNTERPLANNED COUNTERPLEADED COUNTERRAIDING COUNTERRALLIED COUNTERSHADING COUNTERSTAINED COUNTERTRADING COWARDLINESSES CROTONALDEHYDE CYBERCHONDRIAC CYBERCHONDRIAS CYPROHEPTADINE DACTYLOGRAPHER DAGUERREOTYPED DAGUERREOTYPER DAGUERREOTYPES DAUGHTERBOARDS DEAMBULATORIES DEBONAIRNESSES DECARBONATIONS DECARBOXYLASES DECARBOXYLATED DECARBOXYLATES DECARBURATIONS DECEREBRATIONS DECHLORINATING DECHLORINATION DECOLORISATION DECOLORIZATION DECONCENTRATED DECONCENTRATES DECONSECRATING DECONSECRATION DECONTAMINATOR DECORATIVENESS DECORTICATIONS DECREPITATIONS DEFENESTRATION DEFIBRILLATION DEFIBRILLATORS DEFIBRINATIONS DEFORESTATIONS DEGRANULATIONS DEGRINGOLADING DEHYDROGENASES DEHYDROGENATED DEHYDROGENATES DEMOCRATICALLY DEMONETARISING DEMONETARIZING DEMONSTRATIONS DEMONSTRATIVES DEMORALISATION DEMORALISINGLY DEMORALIZATION DEMORALIZINGLY DENITRIFICATOR DEODORISATIONS DEODORIZATIONS DEPERSONALISED DEPERSONALISES DEPERSONALIZED DEPERSONALIZES DEPLORABLENESS DEPOLARISATION DEPOLARIZATION DEREALISATIONS DEREALIZATIONS DEREGISTRATION DERIVATIONALLY DERIVATIONISTS DERIVATISATION DERIVATIZATION DERMATOGLYPHIC DERMATOGRAPHIA DERMATOGRAPHIC DERMATOLOGICAL DERMATOLOGISTS DERMATOPLASTIC DEROGATORINESS DESEGREGATIONS DESERTISATIONS DESERTIZATIONS DESPOTOCRACIES DESQUAMATORIES DESULFURATIONS DESULPHURATION DETERIORATIONS DETERMINATIONS DEUTERAGONISTS DEUTEROGAMISTS DEVALORISATION DEVALORIZATION DEXTROCARDIACS DEXTROROTATION DEXTROROTATORY DIAGEOTROPISMS DIAHELIOTROPIC DIAMANTIFEROUS DIAMONDIFEROUS DIAPHANOMETERS DIASTEREOMERIC DICHLOROETHANE DIFFARREATIONS DIFFERENTIATOR DIFFRACTOMETER DIFFRACTOMETRY DILATORINESSES DIOSCOREACEOUS DIPTEROCARPOUS DIRECTIONALITY DISADVENTUROUS DISAFFORESTING DISAGGREGATION DISAPPROBATIVE DISAPPROPRIATE DISCEPTATORIAL DISCOMBOBERATE DISCOMFORTABLE DISCONFORMABLE DISCOURAGEABLE DISCOURAGEMENT DISCRETIONALLY DISEMBARKATION DISFORESTATION DISINCORPORATE DISINTEGRATION DISINTEGRATORS DISINVIGORATED DISINVIGORATES DISORIENTATING DISORIENTATION DISPENSATORIES DISPENSATORILY DISREPUTATIONS DISSERTATIONAL DISSEVERATIONS DOCTRINALITIES DOCUMENTARIANS DOCUMENTARISED DOCUMENTARISES DOCUMENTARISTS DOCUMENTARIZED DOCUMENTARIZES DOLLAROCRACIES DORSIVENTRALLY DORSOVENTRALLY DOSIMETRICIANS DOUBLESPEAKERS DOWNREGULATION DOWNWARDNESSES DRAUGHTPROOFED DRAUGHTSPERSON DYNAMOELECTRIC DYNAMOMETRICAL DYSMENORRHOEAL DYSMENORRHOEAS EAVESDROPPINGS ECHOCARDIOGRAM EDITORIALISERS EDITORIALISING EDITORIALIZERS EDITORIALIZING EDRIOPHTHALMIC ELECTRODYNAMIC ENANTIODROMIAS ENDARTERECTOMY ENDEAVOURMENTS ENDOCARDITIDES ENDOCARDITISES ENDOCRINOPATHY ENDOMYCORRHIZA ENDOPARASITISM ENDORADIOSONDE EQUIPONDERANCE EQUIPONDERANCY EQUIPONDERATED EQUIPONDERATES EXTRAORDINAIRE FAVOUREDNESSES FEDERALISATION FEDERALIZATION FOREHANDEDNESS FOREORDAINMENT FOREORDINATION FORESHADOWINGS FORMIDABLENESS FRACTIONALISED FRACTIONALIZED GASTRODUODENAL GLANDULIFEROUS GLUCURONIDASES GRANDILOQUENCE GROUNDBREAKERS GROUNDBREAKING HAEMODIALYSERS HAEMODIALYZERS HEADSTRONGNESS HEMISPHEROIDAL HENDECAHEDRONS HERMAPHRODITES HERMAPHRODITIC HYALURONIDASES HYDROCEPHALICS HYDROCEPHALIES HYDROCEPHALOID HYDROCEPHALOUS HYDROCORALLINE HYDROEXTRACTOR HYDROGENATIONS HYDROKINETICAL HYDROMAGNETICS HYDROMECHANICS HYDROPNEUMATIC HYDROSULPHATES HYDROTHERAPIES HYDROTHERAPIST HYDROTHERMALLY HYDROXYAPATITE HYDROXYLAMINES HYPERPOLARISED HYPERPOLARIZED HYPODERMICALLY IDIOSYNCRASIES IDOLATROUSNESS IMMODERATENESS IMPERSONALISED IMPERSONALIZED IMPONDERABILIA INCONSIDERABLE INCONSIDERABLY INDEMONSTRABLE INDEMONSTRABLY INDISCOVERABLE INORDINATENESS INSUBORDINATES INTERGRADATION INTERMEDIATION INTERMEDIATORS INTERMEDIATORY INTEROSCULATED IODOMETRICALLY IRRATIONALISED IRRATIONALIZED ISODIAMETRICAL LABOUREDNESSES LABRADORESCENT LAMPADEDROMIES LAMPADEPHORIAS LANDOWNERSHIPS MACRODACTYLIES MALAPPORTIONED MALODOROUSNESS MANGOLDWURZELS MARCONIGRAPHED MELODRAMATISED MELODRAMATISES MELODRAMATISTS MELODRAMATIZED MELODRAMATIZES METAGRABOLISED METAGRABOLIZED METAGROBOLISED METAGROBOLIZED METOCLOPRAMIDE METRONIDAZOLES MISADVENTUROUS MODERATENESSES MODERATORSHIPS MODERNISATIONS MODERNIZATIONS MONOSACCHARIDE MORDACIOUSNESS NANOSTRUCTURED NEANDERTHALOID NEMATODIRIASES NEMATODIRIASIS NEUROFEEDBACKS NEURORADIOLOGY NONDEGENERATES NONDERIVATIVES NONDIRECTIONAL NONDOCTRINAIRE NONDOCUMENTARY NONRADIOACTIVE NONRESIDENTIAL NORADRENALINES NORTHEASTWARDS NORTHWESTWARDS OBDURATENESSES OBEDIENTIARIES ODONTOGRAPHIES ORCHARDGRASSES ORDINARINESSES ORTHOGONALISED ORTHOGONALIZED ORTHOPEDICALLY OSTEODERMATOUS OUTRECUIDANCES OVARIECTOMISED OVARIECTOMIZED OVERABUNDANCES OVERABUNDANTLY OVERADJUSTMENT OVERADVERTISED OVERADVERTISES OVERADVERTIZED OVERADVERTIZES OVERCLASSIFIED OVERDECORATING OVERDECORATION OVERDIAGNOSING OVERDOMINANCES OVERDRAMATISED OVERDRAMATISES OVERDRAMATIZED OVERDRAMATIZES OVEREDUCATIONS OVERELABORATED OVEREMPHASISED OVEREMPHASIZED OVERENCOURAGED OVERFASTIDIOUS OVERGLAMORISED OVERGLAMORIZED OVERIDEALISING OVERIDEALIZING OVERMEDICATING OVERMEDICATION OVERORNAMENTED OVERPEDALLINGS OVERPERSUADING OVERPROGRAMMED OVERSPECULATED OVERSTIMULATED OXIDOREDUCTASE PACHYDERMATOUS PAEDOMORPHISMS PAEDOMORPHOSES PAEDOMORPHOSIS PANRADIOMETERS PARADOXOLOGIES PARALLELOPIPED PARDONABLENESS PARTICLEBOARDS PEDANTOCRACIES PENDRAGONSHIPS PERFECTIONATED PERIODICALISTS PERIODISATIONS PERIODIZATIONS PERISSODACTYLE PERISSODACTYLS PHOSPHORYLATED POLYACRYLAMIDE POLYSACCHARIDE POSTDOCTORATES PREADAPTATIONS PREADMONISHING PREADMONITIONS PREADOLESCENCE PREADOLESCENTS PREDACEOUSNESS PREDACIOUSNESS PREDESIGNATION PREDESIGNATORY PREDESTINATION PREDESTINATORS PREDEVALUATION PREDOMINANCIES PREDOMINATIONS PREJUDICATIONS PREMEDICATIONS PREMEDITATIONS PREORDAINMENTS PREORDINATIONS PREPONDERANCES PREPONDERANTLY PREPONDERATELY PREPONDERATING PREPONDERATION PROCRASTINATED PROGNOSTICATED PRONOMINALISED PRONOMINALIZED PROPAEDEUTICAL PROPAGANDISERS PROPAGANDIZERS PROPORTIONATED PROTOCHORDATES PROTRACTEDNESS PROVERBIALISED PROVERBIALIZED PROVIDENTIALLY PROVINCIALISED PROVINCIALIZED PSEUDARTHROSES PSEUDARTHROSIS PSEUDOGRAPHIES PSEUDOMEMBRANE PSEUDOPREGNANT PTERIDOLOGICAL PUNDITOCRACIES PYRAMIDOLOGIES QUADRIGEMINOUS QUADRISECTIONS QUARTODECIMANS QUODLIBETARIAN RADIOACTIVATED RADIOACTIVATES RADIOBIOLOGIES RADIOCHEMISTRY RADIOECOLOGIES RADIOLABELLING RADIOLUCENCIES RADIORESISTANT RADIOSENSITISE RADIOSENSITIVE RADIOSENSITIZE RADIOSURGERIES RADIOTELEGRAMS RADIOTELEGRAPH RADIOTELEMETER RADIOTELEMETRY RADIOTELEPHONE RADIOTELEPHONY RADIOTELETYPES RADIOTHERAPIES RADIOTHERAPIST REAPPROPRIATED REBROADCASTING RECODIFICATION RECOMMENDATION RECOMMENDATORY RECONCENTRATED RECONDENSATION RECONSOLIDATED RECONSOLIDATES RECONTAMINATED REDINTEGRATION REDISCOUNTABLE REDISTILLATION REDUPLICATIONS REHOSPITALISED REHOSPITALIZED REINCORPORATED REINTERROGATED RENATIONALISED RENATIONALIZED REORCHESTRATED REPHOTOGRAPHED REPUDIATIONIST RETROGRADATION REVENDICATIONS REVINDICATIONS RHABDOMYOLYSES RHEUMATOIDALLY ROADWORTHINESS ROLLERBLADINGS ROUNDABOUTEDLY ROUNDABOUTNESS RUGGEDISATIONS RUGGEDIZATIONS SACERDOTALISED SACERDOTALISES SACERDOTALISMS SACERDOTALISTS SACERDOTALIZED SACERDOTALIZES SCALENOHEDRONS SCANDALMONGERS SCHOOLMASTERED SERODIAGNOSTIC SHADOWGRAPHIES SHERARDISATION SHERARDIZATION SKATEBOARDINGS SLANDEROUSNESS SOREHEADEDNESS SOUTHEASTWARDS SOUTHWESTWARDS SPHEROIDICALLY SPORADICALNESS STADHOLDERATES STADHOLDERSHIP STADTHOLDERATE STERNOMASTOIDS STOUTHEARTEDLY SUBCATEGORISED SUBCATEGORIZED SUBINFEUDATORY SUBORDINANCIES SUPERABOUNDING SUPERADDITIONS SUPERDIPLOMATS SUPERDOMINANTS SUPERORDINATED SUPERORDINATES SUSPERCOLLATED TATTERDEMALION TENDERISATIONS TENDERIZATIONS TETARTOHEDRISM TETRACHLORIDES TETRADACTYLOUS TETRADRACHMONS TETRAFLUORIDES THENCEFORWARDS THERMODYNAMICS THIOCARBAMIDES THOROUGHBRACED TOWARDLINESSES TRADITIONALISE TRADITIONALIZE TRANSISTORISED TRANSISTORIZED TRANSMOGRIFIED TRAPEZOHEDRONS TREPIDATIOUSLY TRICHOMONACIDE TRIDIMENSIONAL TRIIODOMETHANE TRIMETHADIONES TRISOCTAHEDRAL TRISOCTAHEDRON ULTRAMODERNISM ULTRAMODERNIST UNAPPROPRIATED UNCONFEDERATED UNCONTRADICTED UNCORROBORATED UNDEMONSTRABLE UNDEMONSTRATED UNDERDIAGNOSED UNDERDIAGNOSES UNDERDIAGNOSIS UNDERINFLATION UNDERPOPULATED UNDERREACTIONS UNDERVALUATION UNDISCOVERABLE UNDISCOVERABLY UNDOCTRINAIRES UNFRACTIONATED UNIDIRECTIONAL UNINCORPORATED UNRECIPROCATED UNROMANTICISED UNROMANTICIZED UNTOWARDLINESS UNTOWARDNESSES VALEDICTORIANS WATERBOARDINGS WATERFLOODINGS WEATHERBOARDED WEATHERPROOFED WHOLEHEARTEDLY