There are 612 eleven-letter words containing A, 2E and 2N, https://www.bestwordlist.com/c/a/5/11letterwordswithaeenn.htm
ABONNEMENTS ABSCONDENCE ABSTINENCES ADRENALINES ADVANCEMENT ALEXANDRINE
ALIENNESSES ALONENESSES ALTERNANCES AMINOBUTENE ANCIENTNESS ANCIENTRIES
ANENCEPHALY ANGRINESSES ANIMATENESS ANNABERGITE ANOPHELINES ANSWERPHONE
ANTECEDENCE ANTECEDENTS ANTEMUNDANE ANTEPENDIUM ANTEPENULTS ANTEVERSION
ANTEVERTING ANTHRACENES ANTIHEROINE ANTIQUENESS ANTISCIENCE ANTIVENENES
ANTSINESSES APPERTINENT ARCHENTERON ARRANGEMENT ASCENDANCES ASCENDENCES
ASSENTIENTS ASTRINGENCE ATTENDANCES ATTENDEMENT ATTENDMENTS ATTUNEMENTS
AVENGEMENTS AVENTURINES AZOBENZENES BANDEIRANTE BANDINESSES BANEFULNESS
BANNERETTES BARKENTINES BARQUENTINE BASERUNNERS BEDARKENING BEDEAFENING
BEHAPPENING BEMADDENING BENEFACTING BENEFACTION BENZOCAINES BICENTENARY
BIENSEANCES BLANDNESSES BLANKNESSES BLENNORRHEA BREADWINNER CALENDERING
CANDESCENCE CANESCENCES CANNINESSES CANTINESSES CARAGEENANS CARRAGEENAN
CARRAGEENIN CASEINOGENS CELLENTANIS CEMENTATION CENTENARIAN CENTENARIES
CENTENNIALS CHANNELISED CHANNELISES CHANNELIZED CHANNELIZES CHANNELLERS
CHANSONETTE CHASTENMENT CLANDESTINE CLEANHANDED CLEANLINESS CLEANNESSES
CODEFENDANT COENENCHYMA COGNATENESS CONCATENATE CONCAVENESS CONCEALMENT
CONCENTRATE CONCERTANTE CONDEMNABLE CONDENSABLE CONDENSATED CONDENSATES
CONFINEABLE CONGEALMENT CONNASCENCE CONNATENESS CONNECTABLE CONNUMERATE
CONSTERNATE CONTRAVENED CONTRAVENER CONTRAVENES CONTREDANCE CONTREDANSE
CONVENANCES CONVERSANCE CONVEYANCER CONVEYANCES COTENANCIES COUNTENANCE
COUNTERPANE COVENANTEES COVENANTERS CRACOVIENNE CRANKNESSES CREATININES
CRENELATING CRENELATION DEADENINGLY DEADPANNERS DEAFENINGLY DECENNARIES
DECENNIALLY DEFIANTNESS DEFINIENTIA DELINEATING DELINEATION DEMENTATING
DENEGATIONS DENERVATING DENERVATION DENOMINABLE DENOMINATED DENOMINATES
DENUNCIATED DENUNCIATES DEPENDANCES DERAIGNMENT DERANGEMENT DESCENDANTS
DESINENTIAL DETAINMENTS DETERMINANT DETRAINMENT DINANDERIES DINNERWARES
DISENTANGLE DISENTRANCE EARNESTNESS EDUTAINMENT ELEPHANTINE EMBANKMENTS
EMENDATIONS EMPANELLING EMPANELMENT ENABLEMENTS ENAMELLINGS ENANTIOMERS
ENCAMPMENTS ENCANTHISES ENCARNALISE ENCARNALIZE ENCASEMENTS ENCASHMENTS
ENCEPHALINE ENCEPHALINS ENCEPHALONS ENCHAINMENT ENCHANTEDLY ENCHANTMENT
ENCHANTRESS ENCOMIENDAS ENCUMBRANCE ENCURTAINED ENDANGERERS ENDANGERING
ENDEARINGLY ENDEARMENTS ENDEAVORING ENERVATIONS ENFACEMENTS ENFRAMEMENT
ENFRANCHISE ENGAGEMENTS ENGARLANDED ENGRAFTMENT ENGRAILMENT ENGRAINEDLY
ENHANCEMENT ENHEARTENED ENJAMBEMENT ENJAMBMENTS ENKEPHALINE ENKEPHALINS
ENLACEMENTS ENLARGEMENT ENLARGENING ENNEAHEDRAL ENNEAHEDRON ENNEANDRIAN
ENNEANDROUS ENNEATHLONS ENRAGEMENTS ENSANGUINED ENSANGUINES ENSHEATHING
ENSILAGEING ENSLAVEMENT ENSNAREMENT ENTABLEMENT ENTAILMENTS ENTERTAINED
ENTERTAINER ENTERTAKING ENTHRALMENT ENTRAINMENT ENTRANCEWAY ENTRAPMENTS
ENTREATINGS ENTREATMENT ENUCLEATING ENUCLEATION ENUMERATING ENUMERATION
ENUNCIATIVE ENVENOMATED ENVENOMATES ENWRAPMENTS ENWREATHING ETERNALNESS
EVANESCENCE EVANISHMENT EVENTRATING EVENTRATION EVENTUATING EVENTUATION
EXONERATING EXONERATION EXPONENTIAL EXSANGUINED EXTENSIONAL EXTENUATING
EXTENUATION FAINEANCIES FAINEANTISE FAINTNESSES FANCINESSES FERRANDINES
FINABLENESS FINANCIERED FLANNELETTE FLANNELLIER FONTANELLES FOREMEANING
FOREPLANNED FRANKNESSES FREELANCING GAUNTNESSES GEANTICLINE GENERALLING
GENERALNESS GENERATIONS GENTIANELLA GENTLEMANLY GENTLEWOMAN GERMANENESS
GOUVERNANTE GOVERNANCES GOVERNANTES GRANDNEPHEW GRANDNESSES GRANDNIECES
GRATINEEING GREENCHAINS GREENSHANKS HALFPENNIES HANDFEEDING HANDINESSES
HEATHENNESS HENDECAGONS HINDERANCES HOOTENANNIE HUMANNESSES IMMANENCIES
IMPANELMENT IMPANNELLED IMPERMANENT INADVERTENT INALIENABLE INANENESSES
INAPPETENCE INAPPETENCY INAPTNESSES INATTENTIVE INCALESCENT INCANDESCED
INCANDESCES INCASEMENTS INCATENATED INCATENATES INCINERATED INCINERATES
INCREMENTAL INDEFINABLE INDESIGNATE INELEGANCES INELEGANTLY INENARRABLE
INERRANCIES INESSENTIAL INEXACTNESS INEXPECTANT INFERENTIAL INGEMINATED
INGEMINATES INGENERATED INGENERATES INHERITANCE INNUMERABLE INNUMERATES
INSEMINATED INSEMINATES INSENSATELY INSNAREMENT INSTATEMENT INTEMPERANT
INTENDANCES INTENERATED INTENERATES INTENSATIVE INTERAGENCY INTERCENSAL
INTERCHANGE INTERDENTAL INTERJACENT INTERLINEAL INTERLINEAR INTERNALISE
INTERNALIZE INTERNEURAL INTERREGNAL INTERTANGLE INTOLERANCE INTREATMENT
KNEECAPPING LANGBEINITE LANGUESCENT LANKINESSES LANSQUENETS LAVENDERING
LEARNEDNESS LEGIONNAIRE LIEUTENANCY LIEUTENANTS LINEAMENTAL MAGNESSTONE
MAINTENANCE MAISONNETTE MALENTENDUS MANAGEMENTS MANCHINEELS MANEUVERING
MANGEMANGES MANGINESSES MANGOSTEENS MANLINESSES MANNERLIEST MAVOURNEENS
MEANDERINGS MEANINGLESS MEGANEWTONS MEGATONNAGE MENAQUINONE MENSERVANTS
MENTIONABLE MERCHANTMEN METHENAMINE MONOGENEANS MONOVALENCE MOUNTAINEER
MOUNTENANCE MUNDANENESS NAIVENESSES NAKEDNESSES NALTREXONES NAPHTHALENE
NAPOLEONITE NAPPINESSES NASTINESSES NATTINESSES NEANDERTALS NEANDERTHAL
NECESSARIAN NECROMANCER NEEDLEWOMAN NEONATICIDE NEOPAGANISE NEOPAGANIZE
NEUROPTERAN NEUTRALNESS NEUTROPENIA NEVIRAPINES NITROGENASE NONADHESIVE
NONANSWERED NONATHLETES NONATTENDER NONCOVERAGE NONCREATIVE NONDELEGATE
NONFEASANCE NONLITERATE NONNEGATIVE NONREACTIVE NONRELATIVE NONRELEVANT
NONRENEWALS NONREUSABLE NONSALEABLE NONSKELETAL NONSPEAKERS NONVENEREAL
NONVETERANS NOTABLENESS OENOMANCIES ORNAMENTERS OVERPLANNED PALINGENESY
PANENTHEISM PANENTHEIST PANHELLENIC PAVEMENTING PENETRALIAN PENETRANCES
PENETRATING PENETRATION PENINSULATE PENITENTIAL PENSIONABLE PENTAHEDRON
PENTAMIDINE PENTAVALENT PENTAZOCINE PENTLANDITE PERENNATING PERENNATION
PERENNIALLY PERMANENCES PERMANENTLY PHAENOMENON PHENACAINES PHENACETINS
PHENYLAMINE PLAINNESSES PLANENESSES PLANGENCIES PONDERANCES PREANNOUNCE
PRECLEANING PREENACTING PREFINANCED PREFINANCES PREGNANCIES PRENOMINATE
PRETENDANTS PROFANENESS PROVENANCES PURTENANCES RACERUNNERS RAININESSES
RANDINESSES RANGEFINDER RANGINESSES REACCENTING REALIGNMENT REAMENDMENT
REANSWERING REASCENDING REASCENSION REAWAKENING RECHANNELED REDEMANDING
REDUNDANCES REENACTMENT REENGRAVING REENLARGING REENSLAVING REENTRANCES
REEXAMINING REFASTENING REFRAINMENT REGAINMENTS REHARDENING REINCARNATE
REINNERVATE REINSURANCE REMANDMENTS REMANENCIES RENAISSANCE RENASCENCES
RENEGATIONS RENOMINATED RENOMINATES RENUNCIATES REPANELLING REPENTANCES
REPENTANTLY REPUGNANCES RESEASONING RETAINMENTS SANCTIONEER SANDINESSES
SCANTNESSES SCRAPEPENNY SCREENLANDS SEANNACHIES SENSUALNESS SENTIMENTAL
SEPTENNATES SEXENNIALLY SNAKEBITTEN SNAKESTONES SNAKINESSES SNEAKERNETS
STENOHALINE STRANGENESS SUNDERANCES SUSTENANCES SYNANTHESES TANGINESSES
TANGLEMENTS TAWNINESSES TELEBANKING TENABLENESS TENEMENTARY TENNANTITES
THREATENING TIEMANNITES TRAGEDIENNE TRANSCENDED TRANSGENDER TRANSIENCES
TRENCHERMAN TUNABLENESS TWALPENNIES TYRANNESSES UNALIENABLE UNALIENATED
UNAMENDABLE UNAPTNESSES UNATTENTIVE UNAUGMENTED UNAWARENESS UNCANCELLED
UNCHANNELED UNCHASTENED UNCLEANLIER UNCLEANNESS UNCLEARNESS UNCONCEALED
UNCONGEALED UNDANCEABLE UNDEFINABLE UNDERAGENTS UNDEREATING UNDERHANDED
UNDERMANNED UNDERNEATHS UNDERSHAPEN UNDERTENANT UNENCHANTED UNENDEARING
UNENDURABLE UNENJOYABLE UNESSENTIAL UNEXPECTANT UNEXPLAINED UNGARMENTED
UNHACKNEYED UNHARNESSED UNHARNESSES UNINUCLEATE UNIVALENCES UNLAUNDERED
UNLEARNABLE UNLEARNEDLY UNMECHANISE UNMECHANIZE UNMERCENARY UNNECESSARY
UNPANNELLED UNPATTERNED UNRAVELMENT UNREADINESS UNREPENTANT UNREVEALING
UNSHARPENED UNTAMEDNESS UNVENERABLE VARSOVIENNE VENERATIONS WOMANNESSES