There are 851 words containing 3A and D, https://www.bestwordlist.com/c/a/4/wordswithaaad.htm
AARDVARK AARDVARKS ABANDONWARE ABANDONWARES ABECEDARIAN ABECEDARIANS
ABFARAD ABFARADS ABRACADABRA ABRACADABRAS ABRADABLE ABRADANT
ABRADANTS ABSQUATULATED ACADEMIA ACADEMIAS ACADEMICAL ACADEMICALISM
ACADEMICALISMS ACADEMICALLY ACADEMICALS ACADEMICIAN ACADEMICIANS
ACARICIDAL ACARIDAN ACARIDANS ACARIDEAN ACARIDEANS ACARIDIAN
ACARIDIANS ACARIDOMATIA ACARIDOMATIUM ACARODOMATIA ACARODOMATIUM
ACAUDAL ACAUDATE ACCOMMODATIONAL ACELDAMA ACELDAMAS ACETAZOLAMIDE
ACETAZOLAMIDES ACHONDROPLASIA ACHONDROPLASIAS ACIDANTHERA ACIDANTHERAS
ADAGIAL ADAMANCE ADAMANCES ADAMANCIES ADAMANCY ADAMANT ADAMANTEAN
ADAMANTINE ADAMANTLY ADAMANTS ADAPTABILITIES ADAPTABILITY ADAPTABLE
ADAPTABLENESS ADAPTABLENESSES ADAPTATION ADAPTATIONAL ADAPTATIONALLY
ADAPTATIONIST ADAPTATIONISTS ADAPTATIONS ADAPTATIVE ADAXIAL ADELANTADO
ADELANTADOS ADENOCARCINOMA ADENOCARCINOMAS ADENOMATA ADHARMA
ADHARMAS ADIABATIC ADIABATICALLY ADIABATICS ADIAPHORA ADIATHERMANCIES
ADIATHERMANCY ADIATHERMANOUS ADULARIA ADULARIAS ADVANTAGE ADVANTAGEABLE
ADVANTAGED ADVANTAGEOUS ADVANTAGEOUSLY ADVANTAGES ADVANTAGING
ADVERSARIA ADVERSARIAL ADVOCAAT ADVOCAATS ADYNAMIA ADYNAMIAS
AERODYNAMICAL AERODYNAMICALLY AFICIONADA AFICIONADAS AGATHODAIMON
AGATHODAIMONS AGGADA AGGADAH AGGADAHS AGGADAS AGGRADATION AGGRADATIONAL
AGGRADATIONS AGGRAVATED ALABANDINE ALABANDINES ALABANDITE ALABANDITES
ALACKADAY ALAMEDA ALAMEDAS ALKALOIDAL ALLANTOIDAL ALLARGANDO
ALTITUDINARIAN ALTITUDINARIANS AMADAVAT AMADAVATS AMADODA AMALGAMATED
AMANDLA AMANDLAS AMANTADINE AMANTADINES AMARYLLIDACEOUS AMBASSADOR
AMBASSADORIAL AMBASSADORS AMBASSADORSHIP AMBASSADORSHIPS AMBASSADRESS
AMBASSADRESSES AMIANTHOIDAL AMINOACIDURIA AMINOACIDURIAS AMYGDALA
AMYGDALACEOUS AMYGDALAE AMYGDALATE AMYGDALOIDAL ANABANTID ANABANTIDS
ANABAPTISED ANABAPTIZED ANACARDIACEOUS ANACARDIUM ANACARDIUMS
ANACONDA ANACONDAS ANAGRAMMATISED ANAGRAMMATIZED ANAGRAMMED ANALYSAND
ANALYSANDS ANANDA ANANDAMIDE ANANDAMIDES ANANDAS ANAPHRODISIA
ANAPHRODISIAC ANAPHRODISIACS ANAPHRODISIAS ANAPHYLACTOID ANATHEMATISED
ANATHEMATIZED ANTAPHRODISIAC ANTAPHRODISIACS ANTEPRANDIAL ANTIACADEMIC
ANTIAPARTHEID ANTIAPHRODISIAC ANTICHLAMYDIAL ANTIDEFAMATION ANTIDIARRHEAL
ANTIDIARRHEALS ANTIDIARRHOEAL ANTIDIARRHOEALS ANTIEDUCATIONAL
ANTIRADAR ANTIRADARS ANTIRADIATION ANTIRADICAL ANTIRADICALISM
ANTIRADICALISMS ANTITRADITIONAL APADANA APADANAS APANAGED APHELANDRA
APHELANDRAS APHRODISIACAL APPANAGED APPENDICULARIAN APPLAUDABLE
APPLAUDABLY AQUABOARD AQUABOARDS AQUACADE AQUACADES AQUAFARMED
AQUAPLANED ARACHNIDAN ARACHNIDANS ARACHNOIDAL ARANEIDAN ARCADIA
ARCADIAN ARCADIANS ARCADIAS ARCHIDIACONAL ARCHIDIACONATE ARCHIDIACONATES
ARMADA ARMADAS ASAFETIDA ASAFETIDAS ASAFOETIDA ASAFOETIDAS ASCLEPIADACEOUS
ASSAFETIDA ASSAFETIDAS ASSAFOETIDA ASSAFOETIDAS ASSAGAIED ASSASSINATED
ASSEGAAIED ASTARBOARD ATTITUDINARIAN ATTITUDINARIANS AUTOCATALYSED
AUTOCATALYZED AUTORADIOGRAM AUTORADIOGRAMS AUTORADIOGRAPH AUTORADIOGRAPHS
AUTORADIOGRAPHY AUTOSTRADA AUTOSTRADAS AVADAVAT AVADAVATS AVALANCHED
AWARDABLE AWAYDAY AWAYDAYS AZEDARACH AZEDARACHS BACKWARDATION
BACKWARDATIONS BAHADA BAHADAS BAIDARKA BAIDARKAS BAJADA BAJADAS
BALAYAGED BANDANA BANDANAS BANDANNA BANDANNAS BARRACUDA BARRACUDAS
BARRAMUNDA BARRAMUNDAS BASTARDISATION BASTARDISATIONS BASTARDIZATION
BASTARDIZATIONS BAVARDAGE BAVARDAGES BRACHYDIAGONAL BRACHYDIAGONALS
BRADYCARDIA BRADYCARDIAC BRADYCARDIAS CADAGA CADAGAS CADASTRAL
CADASTRALLY CALAMANDER CALAMANDERS CALANDRIA CALANDRIAS CALDARIA
CALENDARISATION CALENDARIZATION CAMANACHD CAMANACHDS CAMARADERIE
CAMARADERIES CANADA CANADAS CANALICULATED CANDELABRA CANDELABRAS
CANTHARIDAL CANTHARIDIAN CAPACITATED CAPPARIDACEOUS CARAPACED
CARAVANED CARAVANNED CARDIACAL CARDIALGIA CARDIALGIAS CARDINALATE
CARDINALATES CARDINALATIAL CARDINALITIAL CARDIOGRAPHICAL CARDIOVASCULAR
CARYATIDAL CARYATIDEAN CASCADURA CASCADURAS CATADIOPTRICAL CAVALCADE
CAVALCADED CAVALCADES CAVALCADING CHARREADA CHARREADAS CHATEAUBRIAND
CHATEAUBRIANDS COADAPTATION COADAPTATIONS COASTGUARDMAN COASTGUARDSMAN
DAEDALEAN DAEDALIAN DAGABA DAGABAS DAHABEAH DAHABEAHS DAHABEEAH
DAHABEEAHS DAHABEEYAH DAHABEEYAHS DAHABIAH DAHABIAHS DAHABIYA
DAHABIYAH DAHABIYAHS DAHABIYAS DALMATIAN DALMATIANS DAMAGEABILITIES
DAMAGEABILITY DAMAGEABLE DAMIANA DAMIANAS DANDIACAL DASYPAEDAL
DATABANK DATABANKS DATABASE DATABASED DATABASES DATABASING DATACARD
DATACARDS DATAGRAM DATAGRAMS DATAMATION DATAMATIONS DATARIA DATARIAS
DATAVEILLANCE DATAVEILLANCES DECALCOMANIA DECALCOMANIAS DECASUALISATION
DECASUALIZATION DERMATOGRAPHIA DERMATOGRAPHIAS DESACRALISATION
DESACRALIZATION DEVANAGARI DEVANAGARIS DHARMSALA DHARMSALAS DHARMSHALA
DHARMSHALAS DIAGONALISABLE DIAGONALISATION DIAGONALIZABLE DIAGONALIZATION
DIAGRAMMABLE DIAGRAMMATIC DIAGRAMMATICAL DIAMAGNETICALLY DIAPASONAL
DIAPHRAGMAL DIAPHRAGMATIC DIAPHRAGMATITIS DIASTEMATA DILATATIONAL
DIPSOMANIACAL DISACCHARIDASE DISACCHARIDASES DISADVANTAGE DISADVANTAGED
DISADVANTAGEOUS DISADVANTAGES DISADVANTAGING DISAPPEARANCE DISAPPEARANCES
DISCAPACITATE DISCAPACITATED DISCAPACITATES DISCAPACITATING DITHIOCARBAMATE
DRACAENA DRACAENAS DRAMATICAL DRAMATICALLY DRAMATISABLE DRAMATISATION
DRAMATISATIONS DRAMATIZABLE DRAMATIZATION DRAMATIZATIONS DRAMATURGICAL
DRAMATURGICALLY DULCAMARA DULCAMARAS EMPANADA EMPANADAS EXTRAPYRAMIDAL
EXTRAVAGATED EXTRAVASATED FADEAWAY FADEAWAYS FANEGADA FANEGADAS
FANFARADE FANFARADES FANFARONADE FANFARONADED FANFARONADES FANFARONADING
FANTASTICATED FANTASYLAND FANTASYLANDS FARADAIC FARADAY FARADAYS
FARADISATION FARADISATIONS FARADIZATION FARADIZATIONS GAILLARDIA
GAILLARDIAS GALACTOSIDASE GALACTOSIDASES GALAVANTED GALRAVAGED
GAMMADIA GARLANDAGE GARLANDAGES GLADIATORIAL GLADIATORIAN GRADATIONAL
GRADATIONALLY GRANADILLA GRANADILLAS GRANDMAMA GRANDMAMAS GRANDMAMMA
GRANDMAMMAS GRANDPAPA GRANDPAPAS GRANDPARENTAL GRAVADLAX GRAVADLAXES
HABDALAH HABDALAHS HADAWAY HAGGADA HAGGADAH HAGGADAHS HAGGADAS
HAGGADICAL HAMADA HAMADAS HAMADRYAD HAMADRYADES HAMADRYADS HAMADRYAS
HAMADRYASES HAMAMELIDACEOUS HAMMADA HAMMADAS HANDCRAFTSMAN HANDICRAFTSMAN
HAPHAZARD HAPHAZARDLY HAPHAZARDNESS HAPHAZARDNESSES HAPHAZARDRIES
HAPHAZARDRY HAPHAZARDS HARAMDA HARAMDAS HARAMZADA HARAMZADAS
HARAMZADI HARAMZADIS HARDWAREMAN HAVDALAH HAVDALAHS HAZARDABLE
INADAPTABLE INADAPTATION INADAPTATIONS INCAPACITATED INTRACARDIAC
INTRACARDIAL INTRACARDIALLY ITALIANATED JACARANDA JACARANDAS
JAMADAR JAMADARS KADAITCHA KADAITCHAS KALAMDAN KALAMDANS KARANGAED
LACKADAISICAL LACKADAISICALLY LACKADAISY LACKADAY LAMBADA LAMBADAS
LAMPADARIES LAMPADARY LAMPADEPHORIA LAMPADEPHORIAS LAMPADOMANCIES
LAMPADOMANCY LANDAMMAN LANDAMMANN LANDAMMANNS LANDAMMANS LANDGRAVATE
LANDGRAVATES LANDGRAVIATE LANDGRAVIATES LAPIDARIAN LATITUDINARIAN
LATITUDINARIANS LYMPHOADENOMATA MACADAM MACADAMED MACADAMIA MACADAMIAS
MACADAMISATION MACADAMISATIONS MACADAMISE MACADAMISED MACADAMISER
MACADAMISERS MACADAMISES MACADAMISING MACADAMIZATION MACADAMIZATIONS
MACADAMIZE MACADAMIZED MACADAMIZER MACADAMIZERS MACADAMIZES MACADAMIZING
MACADAMS MACERANDUBA MACERANDUBAS MACROAGGREGATED MACRODIAGONAL
MACRODIAGONALS MADRASA MADRASAH MADRASAHS MADRASAS MADRASSA MADRASSAH
MADRASSAHS MADRASSAS MADRIGALIAN MAENADICALLY MALADAPTATION MALADAPTATIONS
MALADAPTED MALADAPTIVE MALADAPTIVELY MALAPPROPRIATED MALAXATED
MANDALA MANDALAS MANDARINATE MANDARINATES MANDATARIES MANDATARY
MANDRAGORA MANDRAGORAS MAQUILADORA MAQUILADORAS MARIVAUDAGE MARIVAUDAGES
MARMALADE MARMALADES MASCARAED MASSARANDUBA MASSARANDUBAS MASSERANDUBA
MASSERANDUBAS MATADORA MATADORAS MAZAEDIA MAZARINADE MAZARINADES
MEGAFARAD MEGAFARADS MEGALOCARDIA MEGALOCARDIAS METADATA METADATAS
METAVANADIC NONADIABATIC NONDRAMATICALLY PACHYSANDRA PACHYSANDRAS
PAEDIATRICIAN PAEDIATRICIANS PAJAMAED PALATALISED PALATALIZED
PALLADIA PALUDAMENTA PANADA PANADAS PANDANACEOUS PANDEMONIACAL
PANJANDARUM PANJANDARUMS PANJANDRA PAPADAM PAPADAMS PAPPADAM
PAPPADAMS PARABOLOIDAL PARADIGMATIC PARADIGMATICAL PARADISAIC
PARADISAICAL PARADISAICALLY PARADISAL PARADISEAN PARADISIAC PARADISIACAL
PARADISIACALLY PARADISIAL PARADISIAN PARADISICAL PARADOXAL PARADOXICAL
PARADOXICALITY PARADOXICALLY PARADOXICALNESS PARADOXIDIAN PARAGRAPHED
PARALLELEPIPEDA PARALLELOPIPEDA PARAMASTOID PARAMASTOIDS PARAMEDICAL
PARAMEDICALS PARANOIDAL PARAPHRASED PARAPODIA PARAPODIAL PARAQUADRATE
PARAQUADRATES PARASAILED PARASITICIDAL PHAGEDAENA PHAGEDAENAS
PHARMACODYNAMIC PLASMODESMATA PLATITUDINARIAN PREADAPTATION PREADAPTATIONS
PROPAGANDA PROPAGANDAS QALAMDAN QALAMDANS QUADRAGENARIAN QUADRAGENARIANS
QUADRAGESIMAL QUADRANGULAR QUADRANGULARLY QUADRANTAL QUADRAPLEGIA
QUADRAPLEGIAS QUADRATICAL QUADRATICALLY QUADRATURA QUADRILATERAL
QUADRILATERALS RADIALIA RADIALISATION RADIALISATIONS RADIALIZATION
RADIALIZATIONS RADIATA RADIATAS RADIATIONAL RADICALISATION RADICALISATIONS
RADICALIZATION RADICALIZATIONS RADIOACTIVATE RADIOACTIVATED RADIOACTIVATES
RADIOACTIVATING RADIOACTIVATION RADIOAUTOGRAPH RADIOAUTOGRAPHS
RADIOAUTOGRAPHY RADIOLARIA RADIOLARIAN RADIOLARIANS RADIOLOCATIONAL
RAMADA RAMADAS RATAPLANNED READAPTATION READAPTATIONS RHABDOMYOMATA
RHADAMANTHINE SABADILLA SABADILLAS SACCADICALLY SACCHARATED SACCHAROIDAL
SADHANA SADHANAS SAGRADA SALAAMED SALADANG SALADANGS SALAMANDER
SALAMANDERS SALAMANDRIAN SALAMANDRIANS SALAMANDRINE SALAMANDROID
SALAMANDROIDS SANDARAC SANDARACH SANDARACHS SANDARACS SARABAND
SARABANDE SARABANDES SARABANDS SARDANA SARDANAS SCANDALISATION
SCANDALISATIONS SCANDALIZATION SCANDALIZATIONS SCARABAEID SCARABAEIDS
SCARABAEOID SCARABAEOIDS SHAHADA SHAHADAH SHAHADAHS SHAHADAS
SHARAWADGI SHARAWADGIS SQUANDERMANIA SQUANDERMANIAS STANDARDISATION
STANDARDIZATION STANDAWAY STOMATODAEA SUBARACHNOIDAL TACHYCARDIA
TACHYCARDIAC TACHYCARDIAS TADALAFIL TADALAFILS TAMANDUA TAMANDUAS
TANADAR TANADARS TAPADERA TAPADERAS TARANTARAED TARATANTARAED
TARMACADAM TARMACADAMS TETRADRACHMA TETRADRACHMAS THANADAR THANADARS
TRADESCANTIA TRADESCANTIAS TRANSABDOMINAL TRANSANDEAN TRANSPADANE
TRANSVALUATED ULTRAHAZARDOUS ULTRARADICAL ULTRARADICALS UNACADEMICALLY
UNADAPTABILITY UNADAPTABLE UNDRAMATICALLY UNMACADAMISED UNMACADAMIZED
VACATIONLAND VACATIONLANDS VAGABONDAGE VAGABONDAGES VALETUDINARIAN
VALETUDINARIANS VANADATE VANADATES VANADIATE VANADIATES VANDALISATION
VANDALISATIONS VANDALIZATION VANDALIZATIONS VASODILATATION VASODILATATIONS
VASODILATATORY WADMAAL WADMAALS WAKANDA WAKANDAS ZAPATEADO ZAPATEADOS