There are 530 twelve-letter words containing 2A, D and L, https://www.bestwordlist.com/c/a/4/12letterwordswithaadl.htm ABSTRACTEDLY ACADEMICALLY ACCELERANDOS ACCIDENTALLY ACCLIMATISED ACCLIMATIZED ACCOMMODABLE ACCREDITABLE ACCULTURATED ACETALDEHYDE ACETANILIDES ACHLAMYDEOUS ACHLORHYDRIA ACIDULATIONS ADAPTABILITY ADAPTATIONAL ADDITIONALLY ADJECTIVALLY ADJUSTMENTAL ADMINICULATE ADMIRABILITY ADMIRALSHIPS ADOPTABILITY ADORABLENESS ADULARESCENT ADULTERATING ADULTERATION ADULTERATORS ADVERBIALISE ADVERBIALIZE ADVERTORIALS ADVISABILITY AGGLOMERATED AGGLUTINATED ALDERMANLIER ALDERMANLIKE ALDERMANRIES ALDERMANSHIP ALDOLISATION ALDOLIZATION ALEXANDERSES ALEXANDRINES ALEXANDRITES ALLOANTIBODY ALPHABETISED ALPHABETIZED ALPROSTADILS AMIANTHOIDAL AMONTILLADOS AMYGDALOIDAL ANECDOTALISM ANECDOTALIST ANISODACTYLS ANTEDILUVIAL ANTEDILUVIAN ANTEPRANDIAL ANTHROPOIDAL APODEICTICAL APPENDICULAR APPLAUDINGLY ARTERIALISED ARTERIALIZED ARTIODACTYLS AUDIOLOGICAL AUDIOVISUALS AUDITABILITY AUTODIALLING BACKHANDEDLY BACKPADDLING BACKPEDALING BACKPEDALLED BACTERICIDAL BALDERDASHES BALLADEERING BALLADMONGER BALLHANDLING BARDOLATRIES BARDOLATROUS BASTARDLIEST BEADBLASTERS BEADBLASTING BIODYNAMICAL BLACKGUARDED BLACKGUARDLY BLACKHANDERS BLACKLEADING BLADDERWRACK BOARDSAILING BOARDSAILORS BRACHYDACTYL BREATHALYSED BREATHALYZED CADAVEROUSLY CAESALPINOID CALCULATEDLY CALENDARISED CALENDARISES CALENDARISTS CALENDARIZED CALENDARIZES CALLIGRAPHED CAMELEOPARDS CANDELABRUMS CANNABIDIOLS CANNIBALISED CANNIBALIZED CANNONBALLED CARBONYLATED CARBOXYLATED CARDINALATES CARDINALSHIP CARDIOMEGALY CARDIOPLEGIA CARUNCULATED CATALOGUISED CATALOGUIZED CATHODICALLY CEPHALOPODAN CLAIRAUDIENT CLAPBOARDING CLAPPERBOARD CLAUDICATION COLLABORATED CONFABULATED CONFLAGRATED CRANKHANDLES CYCLANDELATE CYCLOPAEDIAS DACTYLICALLY DACTYLOGRAMS DAMNABLENESS DASTARDLIEST DAYDREAMLIKE DEALBREAKERS DEAMBULATORY DEARTICULATE DECALCOMANIA DECAPITALISE DECAPITALIZE DECAPSULATED DECAPSULATES DECASUALISED DECASUALISES DECASUALIZED DECASUALIZES DECASYLLABIC DECASYLLABLE DECLAMATIONS DECLARATIONS DEDICATIONAL DEDICATORIAL DEFALCATIONS DEFAMATORILY DEFLAGRATING DEFLAGRATION DEFLAGRATORS DEFLATIONARY DEGLACIATION DELAMINATING DELAMINATION DEMOCRATICAL DEMONIACALLY DENATURALISE DENATURALIZE DEPARTMENTAL DERACIALISED DERACIALISES DERACIALIZED DERACIALIZES DERIVATIONAL DERMAPLANING DESACRALISED DESACRALISES DESACRALIZED DESACRALIZES DESALINATING DESALINATION DESALINATORS DEVALUATIONS DIABOLICALLY DIAGNOSEABLE DIAGNOSTICAL DIAGONALISED DIAGONALISES DIAGONALIZED DIAGONALIZES DIAGRAMMABLE DIALECTICIAN DIALOGICALLY DIALYSATIONS DIALYTICALLY DIALYZATIONS DIAPHANOUSLY DIAPOPHYSIAL DIARTHRODIAL DIATONICALLY DICARPELLARY DIDACTICALLY DIGLADIATING DIGLADIATION DIGLADIATORS DILACERATING DILACERATION DILAPIDATING DILAPIDATION DILAPIDATORS DILATABILITY DILATATIONAL DIPLOCARDIAC DIPLOMATICAL DISAFFILIATE DISAGREEABLE DISAGREEABLY DISALLOWABLE DISALLOWANCE DISANALOGIES DISANALOGOUS DISAPPROVALS DISCALCEATES DISCLAMATION DISPLACEABLE DISPLEASANCE DISPLEASANTS DISTRACTABLE DISTRAINABLE DIVARICATELY DIVINATORIAL DODECAHEDRAL DOGMATICALLY DOLLAROCRACY DONATISTICAL DORSOLATERAL DOWNLOADABLE DRACONICALLY DRAMATICALLY DRAMATISABLE DRAMATIZABLE DRAPEABILITY DUNIEWASSALS DUNNIEWASSAL DYNASTICALLY DYSCALCULIAS ENARTHRODIAL ENCAPSULATED ENCARNALISED ENCARNALIZED ENDOTRACHEAL ENGARLANDING EQUIBALANCED EXTRADITABLE EXTRAPOLATED FAMILIARISED FAMILIARIZED FANTASYLANDS FARTHINGLAND FASCICULATED FASCINATEDLY FLANNELBOARD FLASHFORWARD FOUNDATIONAL FUNAMBULATED FUNDAMENTALS GALACTOSIDES GALLBLADDERS GALLIARDISES GALRAVITCHED GANGLIONATED GANGSTERLAND GEODYNAMICAL GLADIATORIAL GLADIATORIAN GLADWRAPPING GLASSPAPERED GLASSYHEADED GRADABLENESS GRADUALISTIC GRADUALITIES GRANDIFLORAS HALFENDEALES HALLUCINATED HARDHEADEDLY HARDSCRABBLE HARLEQUINADE HEADMASTERLY HEBDOMADALLY HENDECAGONAL HERALDICALLY HEXADACTYLIC HEXADECIMALS HOLIDAYMAKER HOLLANDAISES HUSBANDLANDS HYDRALAZINES IDEALISATION IDEALIZATION IDEATIONALLY INADEQUATELY INCAPSULATED INDICATIONAL INELABORATED INERADICABLE INERADICABLY INFANTICIDAL INFATUATEDLY INTERCALATED INTERSTADIAL INTRACARDIAL INVALIDATING INVALIDATION INVALIDATORS JUDICATORIAL LABIODENTALS LABRADOODLES LABRADORITES LAGGARDLIEST LAMPADEDROMY LAMPADOMANCY LANDAULETTES LANDBOARDING LANDGRAVATES LANDGRAVIATE LANDGRAVINES LANDSCAPINGS LANDSCAPISTS LARGEHEARTED LAUDABLENESS LAUNDRYWOMAN LEADERBOARDS LEATHERHEADS LIQUIDAMBARS LOADSAMONEYS LOADSAMONIES LOGODAEDALIC LOGODAEDALUS LONGICAUDATE MACHICOLATED MACRODACTYLS MACRODACTYLY MADRIGALISTS MAENADICALLY MALADDRESSES MALADJUSTIVE MANDIBULATED MANDIBULATES MAQUILADORAS MARGINALISED MARGINALIZED MARISCHALLED MARSHLANDERS MARTELLANDOS MATERIALISED MATERIALIZED MATRICULATED MEDIAEVALISM MEDIAEVALIST MEDICAMENTAL MEGALOCARDIA MELODRAMATIC MILLIRADIANS MISALLOCATED MISCATALOGED MISEVALUATED MULTIGRAVIDA MULTIWARHEAD MURDERABILIA NAPHTHALISED NAPHTHALIZED NATIONALISED NATIONALIZED NEANDERTALER NEANDERTHALS NONRAILROADS NORADRENALIN OCTAHEDRALLY OVERANALYSED OVERANALYZED OVERBALANCED PADDLEBOARDS PAEDOLOGICAL PAEDOPHILIAC PAEDOPHILIAS PALUDAMENTUM PAPPARDELLES PARABOLOIDAL PARADIDDLING PARADISAICAL PARADISIACAL PARADOXOLOGY PARAGLIDINGS PARALDEHYDES PARALLELISED PARALLELIZED PARAMEDICALS PARFOCALISED PARFOCALIZED PARLOURMAIDS PASTURELANDS PEDANTICALLY PEDICELLARIA PENTADACTYLE PENTADACTYLS PENTADACTYLY PERAMBULATED PLANTIGRADES PLASMODESMAS PLASTERBOARD PLATITUDINAL POSTPRANDIAL PREAMBULATED PRISMATOIDAL PROCATHEDRAL PSEUDOSCALAR QUADRANGULAR QUADRAPLEGIA QUADRAPLEGIC QUADRENNIALS QUADRIENNIAL QUADRINOMIAL QUADRIPLEGIA QUADRIVALENT RADICALISING RADICALISTIC RADICALITIES RADICALIZING RADIOLABELED RADIOLARIANS RADIOLOGICAL RAILROADINGS RALLENTANDOS RATIONALISED RATIONALIZED REACCLIMATED READABLENESS READJUSTABLE REAPPARELLED RECALCULATED RECALIBRATED RECATALOGUED REHYDRATABLE RELANDSCAPED RELANDSCAPES RETRANSLATED REVALIDATING REVALIDATION RIJKSDAALERS SACCADICALLY SACCHAROIDAL SACERDOTALLY SADDLEBACKED SADISTICALLY SAILBOARDERS SAILBOARDING SALAMANDRIAN SALAMANDRINE SALAMANDROID SALICYLAMIDE SALMAGUNDIES SANDBLASTERS SANDBLASTING SARDONICALLY SCABBARDLESS SCAFFOLDAGES SCALENOHEDRA SCANDALISERS SCANDALISING SCANDALIZERS SCANDALIZING SCANDALOUSLY SEMIPALMATED SHAMEFACEDLY SPLASHBOARDS SPORADICALLY SPREADEAGLED STANDARDLESS STRADDLEBACK STRANGULATED SUBABDOMINAL SUBALLOCATED SUBCARDINALS SULFADIAZINE SYLLABICATED TARRADIDDLES TETRACHORDAL TETRADACTYLS TETRADACTYLY THEATERLANDS THEATRELANDS TRABECULATED TRANSLOCATED TRANSPLANTED TRIANGULATED TRIRADIATELY TRYPANOCIDAL TYRANNICIDAL ULTRADISTANT ULTRAMUNDANE ULTRARADICAL UNACCLIMATED UNADULTERATE UNAFFILIATED UNAFFORDABLE UNAFFORDABLY UNALLEVIATED UNAPPARELLED UNASCENDABLE UNCALCULATED UNCALIBRATED UNCATALOGUED UNDEFEATABLE UNDERTAKABLE UNELABORATED UNPARALLELED UNPARDONABLE UNPARDONABLY UNSHADOWABLE UNTRANSLATED VACATIONLAND VALETUDINARY VASCULARISED VASCULARIZED VASODILATION VASODILATORS VASODILATORY VAUDEVILLEAN VAUDEVILLIAN VOCABULARIED WALDGRAVINES WALLYDRAIGLE WITHDRAWABLE 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