There are 587 twelve-letter words containing A, D, G, I and N, https://www.bestwordlist.com/c/a/5/12letterwordswithadgin.htm
ABRIDGEMENTS ADJUDICATING ADULTERATING ADULTERISING ADULTERIZING
ADVENTURINGS ADVERGAMINGS ADVERTISINGS ADVERTIZINGS AFFRIGHTENED
AGATHODAIMON AGGLUTINATED AGGRADATIONS AGGRANDISERS AGGRANDISING
AGGRANDIZERS AGGRANDIZING AGROINDUSTRY AGUARDIENTES AIRBOARDINGS
ANDROGENESIS ANDROGENETIC ANDROLOGISTS ANTHOLOGISED ANTHOLOGIZED
ANTIANDROGEN ANTIDOGMATIC ANTIDUMPINGS ANTIHYDROGEN ANTISPENDING
APPLAUDINGLY APPREHENDING ASTOUNDINGLY AUDIBILIZING AUDIOTYPINGS
AUTODIALLING BACKDROPPING BACKPADDLING BACKPEDALING BACKSLIDINGS
BALLADEERING BALLHANDLING BANDICOOTING BARRICADOING BASTARDISING
BASTARDIZING BASTINADOING BEADBLASTING BEDAZZLINGLY BESTRADDLING
BILLBOARDING BIODEGRADING BIRDWATCHING BLACKBIRDING BLACKLEADING
BOARDSAILING BOATBUILDING BODYBOARDING BODYGUARDING BREADWINNING
BREAKDANCING BROADCASTING CALENDERINGS CANDLELIGHTS CARBONADOING
CARDSHARPING CHALCOGENIDE CHANDLERINGS CHEERLEADING CHILDBEARING
CHLORIDATING CLADOGENESIS CLADOGENETIC CLAPBOARDING COGNOMINATED
COMMANDINGLY COMPAGINATED CONDENSATING CONFIGURATED COORDINATING
COPYREADINGS CORDIALISING CORDIALIZING CORNBRAIDING CROSSBANDING
DAMASCEENING DAMASCENINGS DAMASKEENING DAMASQUINING DARINGNESSES
DARRAIGNMENT DAUGHTERLING DAYDREAMINGS DAYLIGHTINGS DEACIDIFYING
DEACTIVATING DEASPIRATING DEBARRASSING DEBILITATING DECALCIFYING
DECAPITATING DECELERATING DECIMALISING DECIMALIZING DECOLORATING
DECREASINGLY DEERSTALKING DEFLAGRATING DEFLAGRATION DEGARNISHING
DEGENERACIES DEGENERATING DEGENERATION DEGENERATIVE DEGLACIATION
DEGLUTINATED DEGLUTINATES DEGRADATIONS DEGRINGOLADE DEGUSTATIONS
DEHUMANISING DEHUMANIZING DELAMINATING DELEVERAGING DELIBERATING
DELIMITATING DELOCALISING DELOCALIZING DEMAGNETISED DEMAGNETISER
DEMAGNETISES DEMAGNETIZED DEMAGNETIZER DEMAGNETIZES DEMIGRATIONS
DEMODULATING DEMORALISING DEMORALIZING DEMOTIVATING DENATURISING
DENATURIZING DENIGRATIONS DENOMINATING DENTILINGUAL DENUNCIATING
DEOPPILATING DEPOLARISING DEPOLARIZING DEPOPULATING DEPRECIATING
DEPROGRAMING DERACINATING DERAIGNMENTS DEREGULATING DEREGULATION
DERIVATISING DERIVATIZING DERMAPLANING DESALINATING DESALINISING
DESALINIZING DESATURATING DESCRAMBLING DESIDERATING DESIGNATIONS
DESOLATINGLY DESPAIRINGLY DESQUAMATING DETASSELLING DETOXICATING
DETRACTINGLY DETRUNCATING DEVALORISING DEVALORIZING DEVITALISING
DEVITALIZING DEVOCALISING DEVOCALIZING DIABETOGENIC DIAGNOSEABLE
DIAGNOSTICAL DIAGONALISED DIAGONALISES DIAGONALIZED DIAGONALIZES
DIAMAGNETISM DIAPHRAGMING DIFFRANGIBLE DIGITALISING DIGITALIZING
DIGITISATION DIGITIZATION DIGLADIATING DIGLADIATION DIGRESSIONAL
DIJUDICATING DILACERATING DILAPIDATING DILUCIDATING DISACCORDING
DISADVANCING DISADVANTAGE DISAFFECTING DISAFFIRMING DISAGREEMENT
DISANALOGIES DISANALOGOUS DISANCHORING DISANIMATING DISANNULLING
DISANOINTING DISAPPEARING DISAPPROVING DISARRANGING DISAVAUNCING
DISAVOUCHING DISBRANCHING DISCANDERING DISCANDYINGS DISCOURAGING
DISCULPATING DISEMBARKING DISEMBRANGLE DISENSLAVING DISENTAILING
DISENTANGLED DISENTANGLES DISFAVOURING DISFEATURING DISGARNISHED
DISGARNISHES DISGARRISONS DISGAVELLING DISGRADATION DISGREGATION
DISHALLOWING DISHWASHINGS DISIMAGINING DISINTEGRATE DISMANTLINGS
DISORGANISED DISORGANISER DISORGANISES DISORGANIZED DISORGANIZER
DISORGANIZES DISPAUPERING DISREGARDING DISSERTATING DISSHEATHING
DISSOCIATING DISTRINGASES DIVARICATING DIVULGATIONS DODECAGYNIAN
DOMINATINGLY DOOMWATCHING DOPAMINERGIC DOVETAILINGS DOWNLOADINGS
DRAGONFISHES DRAGONFRUITS DRAGONNADING DRAUGHTINESS DRAWLINGNESS
DRESSMAKINGS DRUMBEATINGS DYNAMOGENIES DYSSYNERGIAS EDULCORATING
EMPARADISING ENDEAVOURING ENGARLANDING ENGARRISONED ENTERDEALING
EXHEREDATING EXPEDITATING FARTHINGLAND FAULTFINDING FEDERALISING
FEDERALIZING FINGERBOARDS FINGERGUARDS FLUORIDATING FOOTDRAGGING
FOREREADINGS FORWANDERING FRAGMENTISED FRAGMENTIZED FREELOADINGS
FREESTANDING FUNDRAISINGS FUNGICIDALLY GANGLIONATED GANGLIOSIDES
GENDARMERIES GENEALOGISED GENEALOGIZED GENOCIDAIRES GEODYNAMICAL
GIGANTICIDES GINGERBREADS GINGERBREADY GLADIATORIAN GLADWRAPPING
GLANDIFEROUS GLOSSODYNIAS GLYCERINATED GOALTENDINGS GODFATHERING
GONADOTROPIC GONADOTROPIN GONIATITOIDS GORMANDISERS GORMANDISING
GORMANDIZERS GORMANDIZING GOURMANDISED GOURMANDISES GOURMANDISMS
GOURMANDIZED GOURMANDIZES GRANDDADDIES GRANDEESHIPS GRANDIFLORAS
GRANDPAPPIES GRANODIORITE GRAVIDNESSES GROUNDBAITED GUANETHIDINE
GUARDIANSHIP HAIRDRESSING HANDBAGGINGS HANDCRAFTING HANDFASTINGS
HANDICAPPING HANDSHAKINGS HANDSTAMPING HANDWRINGERS HANDWRITINGS
HANSARDISING HANSARDIZING HARDINGGRASS HARDSTANDING HEADBANGINGS
HEADHUNTINGS HEADREACHING HEARTRENDING HOMESTEADING HYDROPLANING
IDOLATRISING IDOLATRIZING IMPARADISING IMPIGNORATED INCANDESCING
INDIGNATIONS INGRATITUDES INGURGITATED INSTAGRAMMED INTERCHANGED
INTERDASHING INTERDEALING INTERDIGITAL INTERGRADING INTERGRAFTED
INTERLARDING INTERROGATED INTERTANGLED INTIMIDATING INVALIDATING
INVESTIGATED IRRADICATING JEOPARDISING JEOPARDIZING KEYBOARDINGS
KINDERGARTEN KITEBOARDING KNEEBOARDING LANDBOARDING LANDFILLINGS
LANDGRAVIATE LANDGRAVINES LANDHOLDINGS LANDSCAPINGS LANDSKIPPING
LARYNGITIDES LATEENRIGGED LEGERDEMAINS LIFEGUARDING LONGICAUDATE
LONGITUDINAL MACADAMISING MACADAMIZING MANSPREADING MARGINALISED
MARGINALIZED MASQUERADING MEANDERINGLY MEDALLIONING MEDICALISING
MEDICALIZING METALLIDINGS MICROMANAGED MISADJUSTING MISCEGENATED
MISDEMEANING MISDIAGNOSED MISDIAGNOSES MISDIAGNOSIS MISEDUCATING
MISGUIDANCES MISHANDLINGS MISLEADINGLY MISPLEADINGS MISREGARDING
MISTREADINGS MONADOLOGIES NEOPAGANISED NEOPAGANIZED NIDIFICATING
NIGGARDLIEST NONDEMANDING NONIRRIGATED NONLADDERING NURSEMAIDING
OPPIGNERATED OPPIGNORATED OUTBARGAINED OUTORGANISED OUTORGANIZED
OUTSPREADING OVERDIAGNOSE OVERHANDLING OVERPEDALING OVERSTANDING
OVERTRADINGS PADDYWACKING PAEDOGENESIS PAEDOGENETIC PARADIDDLING
PARADROPPING PARAGLIDINGS PARASCENDING PASQUINADING PATHFINDINGS
PEDESTALLING PEREGRINATED PHILANDERING PLANTIGRADES PREADJUSTING
PREADMITTING PREDECEASING PREDESIGNATE PREHARDENING PREORDAINING
PRESIGNALLED PROGRADATION PROOFREADING PROPAGANDISE PROPAGANDISM
PROPAGANDIST PROPAGANDIZE PSALMODISING PSALMODIZING PUMPHANDLING
QUINDECAGONS RADICALISING RADICALIZING RADIOPAGINGS RAILROADINGS
RANGEFINDERS RANGEFINDING READDRESSING REDECORATING REDEDICATING
REDINTEGRATE REDISPLAYING REGIONALISED REGIONALIZED REINTEGRATED
RELAUNDERING REMAINDERING RENEGOTIATED REPRIMANDING RETROGRADING
REVALIDATING RHAPSODISING RHAPSODIZING RIDESHARINGS ROADBLOCKING
ROADBUILDING ROADHOLDINGS ROPEDANCINGS SAFEGUARDING SAILBOARDING
SALMAGUNDIES SANDBLASTING SANDPAINTING SANDPAPERING SCAFFOLDINGS
SCANDALISING SCANDALIZING SHADOWBOXING SHAREHOLDING SHERARDISING
SHERARDIZING SIDETRACKING SINGULARISED SINGULARIZED SKIMBOARDING
SLAVEHOLDING SMALLHOLDING SNOWBLADINGS SNOWBOARDING SPEARHEADING
SPEEDBALLING SPEEDBOATING SPEEDREADING SPEEDSKATING SPRINGBOARDS
SQUANDERINGS STAKEHOLDING STARBOARDING STEPDANCINGS STRAIGHTENED
STRAPPADOING STRIDULATING STRINGBOARDS STRINGHALTED STUDDINGSAIL
SURFBOARDING TRADEMARKING TRAGEDIENNES TRANSCENDING TRANSFIGURED
TRIANGULATED TRIPUDIATING UNBRIDGEABLE UNDERBEARING UNDERCOATING
UNDERDRAWING UNDERHANDING UNDERHEATING UNDERLAPPING UNDERLEASING
UNDERLOADING UNDERMANNING UNDERMEANING UNDERPLAYING UNDERSEALING
UNDERSTATING UNDERTAKINGS UNDERVALUING UNDESIGNATED UNDESPAIRING
UNDISCHARGED UNDULATINGLY UNFADINGNESS UNGERMINATED UNGLAMORISED
UNGLAMORIZED UNGUICULATED UNINTEGRATED UNORIGINATED UNPARADISING
UNVARIEGATED UNVULGARISED UNVULGARIZED UPBRAIDINGLY UPGRADATIONS
VAGABONDISED VAGABONDISES VAGABONDISMS VAGABONDIZED VAGABONDIZES
VANGUARDISMS VANGUARDISTS VINDEMIATING WAKEBOARDING WALDGRAVINES
WATCHDOGGING WILDCATTINGS WINDJAMMINGS WINDLOADINGS WIREDRAWINGS
WITHSTANDING WOODCARVINGS