There are 664 nine-letter words containing A, C, D and N, https://www.bestwordlist.com/c/a/4/9letterwordswithacdn.htm
ABDICANTS ABDUCTING ABDUCTION ABIDANCES ABONDANCE ABSCINDED ABSCONDED
ABSCONDER ABUNDANCE ABUNDANCY ACANTHOID ACARIDANS ACARIDEAN ACARIDIAN
ACCEDENCE ACCENDING ACCIDENCE ACCIDENTS ACCORDANT ACCORDING ACCORDION
ACCOUNTED ACIDULENT ACRIDINES ACRIDNESS ACRODONTS ACTINIDES ACTINOIDS
ACTINOPOD ADAMANCES ADDICTING ADDICTION ADDUCTING ADDUCTION ADHERENCE
ADJACENCE ADJACENCY ADJACENTS ADJUNCTLY ADJUTANCY ADJUVANCY ADMINICLE
ADMIRANCE ADNASCENT ADUNCATED ADVANCERS ADVANCING ADVECTING ADVECTION
AFFIANCED ANACONDAS ANDESITIC ANDROECIA ANECDOTAL ANECDOTES ANECDOTIC
ANECDYSES ANECDYSIS ANHEDONIC ANNOUNCED ANTECEDED ANTECEDES ANTICISED
ANTICIZED ANTICODON ARACHNIDS ARACHNOID ARCADIANS ARCADINGS ARCHFIEND
ARCSECOND ARDENCIES ASCENDANT ASCENDENT ASCENDERS ASCENDEUR ASCENDING
ASCIDIANS ASYNDETIC AUCTIONED AUDIENCES AUDIENCIA AVOIDANCE BACKBANDS
BACKBENDS BACKBONDS BACKBONED BACKDOWNS BACKHANDS BACKLANDS BACKWINDS
BALCONIED BALDACHIN BANDICOOT BANKCARDS BARNACLED BECHANCED BENCHLAND
BLACKBAND BLACKENED BLACKLAND BRACONIDS BRANCARDS BRAUNCHED BROCADING
CABSTANDS CACODEMON CADENCIES CADENCING CADENTIAL CADRANSES CALAMINED
CALANDRIA CALCEDONY CALENDARS CALENDERS CALENDRER CALENDRIC CALENDULA
CALUMNIED CAMANACHD CANALISED CANALIZED CANCELLED CANCROIDS CANDIDACY
CANDIDATE CANDIDEST CANDLELIT CANDLENUT CANDLEPIN CANDYGRAM CANDYTUFT
CANFIELDS CANNONADE CANOEWOOD CANONISED CANONIZED CANOODLED CANOODLER
CANOODLES CANTHARID CANTICOED CANULATED CANVASSED CAPONISED CAPONIZED
CAPTAINED CAPTIONED CARANGIDS CARANGOID CARAVANED CARBONADE CARBONADO
CARCINOID CARDAMINE CARDAMONS CARDIGANS CARDINALS CARDPHONE CARDPUNCH
CARINATED CARNALLED CARNIFIED CARRONADE CARTOONED CASCADING CASEBOUND
CASKSTAND CASSONADE CATENATED CATENOIDS CATNAPPED CAUDATION CAULDRONS
CAUTIONED CAVENDISH CELANDINE CHAETODON CHAGRINED CHALANNED CHALDRONS
CHALKLAND CHANCROID CHANDELLE CHANDLERS CHANDLERY CHANNELED CHASTENED
CHAVENDER CHAWDRONS CHEAPENED CHLORDANE CHLORDANS CHONDROMA CIRCADIAN
CISPADANE CLADDINGS CLAMPDOWN CLANGORED CLARENDON CLARIONED CLOGDANCE
CLOUDLAND CLUBHANDS CLUBLANDS CNIDARIAN COADUNATE COANNEXED COARSENED
COASTLAND COATSTAND COATTENDS COCCIDIAN CODENAMES CODOMAINS COENACTED
COHEADING COLANDERS COLEADING COLONNADE COMANAGED COMEDIANS COMMANDED
COMMANDER COMMANDOS COMMENDAM COMMUNARD COMPANDED COMPANDER COMPANDOR
COMPANIED COMPENDIA CONCEALED CONCORDAL CONCORDAT CONDYLOMA CONELRADS
CONFABBED CONFIDANT CONFLATED CONGEALED CONSTATED CONTACTED CONTADINA
CONTADINE CONTADINI CONTADINO CONTAINED COORDINAL CORDOVANS CORDWAINS
CORIANDER CORNBRAID CORNBREAD CORNLANDS CORONATED CORRADING CORRODANT
COSTEANED COTTONADE COWARDING CRACKDOWN CRADLINGS CRAMPONED CRAUNCHED
CREDENZAS CRINOIDAL CROPLANDS CROSSBAND CROWNLAND CRUSADING CURANDERA
CURANDERO CURTAINED CUSTODIAN CYANAMIDE CYANAMIDS CYANIDING CYSTIDEAN
DACHSHUND DACKERING DALLIANCE DAMASCENE DANCEABLE DANCECORE DANCEHALL
DANCELIKE DANCETTEE DANCETTES DANCEWEAR DANCICALS DANDIACAL DAYCATION
DAYCENTRE DEACONESS DEACONING DECADENCE DECADENCY DECADENTS DECAGONAL
DECALLING DECAMPING DECANALLY DECANTATE DECANTERS DECANTING DECAPODAN
DECARBING DECATHLON DECEASING DECENNARY DECENNIAL DECHEANCE DECKHANDS
DECLARANT DECLARING DECLAWING DECLINALS DECLINANT DECLINATE DEDICANTS
DEFIANCES DEMONIACS DEMONICAL DENTICARE DERACINES DESCALING DESCANTED
DESCANTER DESICCANT DETACHING DEVIANCES DIACHRONY DIACHYLON DIACODION
DIACONATE DIACTINAL DIACTINES DIACTINIC DIANOETIC DIAPHONIC DICENTRAS
DICHONDRA DICTATING DICTATION DICTIONAL DIETICIAN DILATANCY DINOCERAS
DIOCESANS DIONYSIAC DISANCHOR DISBRANCH DISCAGING DISCANDIE DISCANTED
DISCANTER DISCASING DISPACING DISTANCED DISTANCES DIVALENCE DIVALENCY
DOCKHANDS DOCKLANDS DOCTORAND DOCTRINAL DODECAGON DOMINANCE DOMINANCY
DOMINICAL DOWNCASTS DOWNSCALE DRACAENAS DRACONIAN DRACONISM DRACONTIC
DUBITANCY DUCATOONS DULCIANAS DULCINEAS DUMBCANES DUPLICAND DYNAMICAL
DYNAMITIC ECHINATED EDUCATING EDUCATION ENCHAINED ENCHANTED ENCHARGED
ENCHARMED ENCHILADA ENCLASPED ENCODABLE ENCRADLED ENCRADLES ENCREASED
ENDAMEBIC ENDECAGON ENDEMICAL ENDOCARPS ENDOCASTS ENDOGAMIC ENDOSARCS
ENDURANCE ENTRANCED EPICEDIAN ERADICANT ESCLANDRE EUCLIDEAN EUCLIDIAN
EVANESCED EXCHANGED FACEDOWNS FACUNDITY FALCONOID FANCIFIED FECUNDATE
FLANCARDS FLAUNCHED FRANCISED FRANCIZED GADOLINIC GASCONADE GENOCIDAL
GOLCONDAS GRAUNCHED GUIDANCES GYNAECOID HACENDADO HACIENDAS HACKNEYED
HANDCARTS HANDCLAPS HANDCLASP HANDCRAFT HANDCUFFS HANDICAPS HANDPICKS
HEADCOUNT HINDCASTS HINDRANCE HOLANDRIC IDENTICAL IMPEDANCE INCHOATED
INCLASPED INCREASED INCUBATED INDEXICAL INDICANTS INDICATED INDICATES
INDICATOR INFARCTED INFRACTED INSTANCED INVOCATED IRONCLADS JACARANDA
JAUNDICED JAUNDICES KICKSTAND KNACKERED KNAIDLACH KNEIDLACH LACKLANDS
LANCEWOOD LANDFORCE LANDRACES LANDSCAPE LAODICEAN LAUNCHPAD LIDOCAINE
LYCAENIDS MACEDOINE MACRODONT MANDIOCAS MANDIOCCA MANDUCATE MANICURED
MANSCAPED MANUCODES MARCHLAND MARCONIED MEDICANTS MEDICINAL MENDACITY
MENDICANT MINDSCAPE MONACIDIC MONADICAL MONADNOCK MONOACIDS MONODICAL
MOONFACED MUSCADINE MUSCADINS NALIDIXIC NECKBANDS NECKLACED NECTARIED
NICKNAMED NONACIDIC NONADDICT NONDANCER NONDANCES NONSACRED NOTECARDS
NUCLEATED OCEANIDES OCEANSIDE OCEANWARD OCTOPODAN ORDINANCE ORDNANCES
OUTDANCED OUTDANCES PACTIONED PANDEMICS PHONECARD PINACOIDS PINNACLED
POUNDCAKE PREDICANT PUNCTATED PYCNIDIAL QUICKSAND RACHIDIAN RADIANCES
RADICANDS RADIONICS RANCELLED RANCHLAND RANCIDEST RANCIDITY RANCOURED
RANSACKED READVANCE REASCENDS RECHANGED RECLEANED REDACTING REDACTION
REDUCTANT REENACTED RICKSTAND RIDDANCES RONCADORS RONDACHES ROUNDARCH
SANDARACH SANDARACS SANDCRACK SCABLANDS SCALDINGS SCANDALED SCANDIUMS
SCAVENGED SCIAENIDS SCIAENOID SCLAUNDER SCRANCHED SCRUBLAND SECONDARY
SHADCHANS SLACKENED SLAMDANCE SMACKDOWN SONICATED SOUNDCARD SPACEBAND
SPANCELED SPONDAICS STAUNCHED SUBDEACON SUNSCALDS SYNDACTYL SYNDICATE
SYNODICAL TACHINIDS TENDANCES TENIACIDE TENTACLED THEANDRIC THINCLADS
TRADUCIAN TRADUCING TRANCEDLY TRANSCEND TRANSCODE TRANSDUCE TRENCHAND
TRENCHARD TRIDACNAS TRUNCATED TUNICATED UNACCRUED UNACCUSED UNACTIVED
UNAMERCED UNCANDLED UNCANDORS UNCANDOUR UNCATERED UNCHAINED UNCHAIRED
UNCHANGED UNCHARGED UNCHARMED UNCHARRED UNCHARTED UNCINATED UNCLAIMED
UNCLAMPED UNCLASPED UNCLASSED UNCLEANED UNCLEARED UNCLOAKED UNCORDIAL
UNCRACKED UNCREASED UNCREATED UNDECAGON UNDECAYED UNDECIMAL UNDEFACED
UNDERACTS UNDERCARD UNDERCART UNDERCAST UNDERCLAD UNDERCLAY UNDERCOAT
UNDULANCE UNDULANCY UNDYNAMIC UNEFFACED UNFACETED UNFANCIED UNHATCHED
UNLATCHED UNLOCATED UNMATCHED UNNUANCED UNPATCHED UNREACHED UNSCANNED
UNSCARRED UNSCATHED UNSOLACED UNSTACKED UNTACKLED UNTRACKED UNWATCHED
VINDICATE VOIDANCES WAHCONDAS WARDCORNS WATCHBAND WINDPACKS