There are 722 thirteen-letter words containing 2A and B, https://www.bestwordlist.com/c/a/3/13letterwordswithaab.htm ABBREVIATIONS ABBREVIATURES ABIOGENICALLY ABNORMALITIES ABORIGINALISM ABORIGINALITY ABORTIFACIENT ABSORBABILITY ABSQUATULATED ABSQUATULATES ABSTRACTIONAL ABSTRACTIVELY ABYSSOPELAGIC ACCEPTABILITY ACINETOBACTER ACQUIRABILITY ACROBATICALLY ACTINOBACILLI ADAPTABLENESS ADIABATICALLY ADJUSTABILITY ADMINISTRABLE ADMIRABLENESS ADORABILITIES ADSORBABILITY ADUMBRATIVELY ADVANTAGEABLE ADVERBIALISED ADVERBIALISES ADVERBIALIZED ADVERBIALIZES ADVISABLENESS AFFECTABILITY AFFORDABILITY AGREEABLENESS AICHMOPHOBIAS AILOUROPHOBIA AILUROPHOBIAS ALEMBICATIONS ALGEBRAICALLY ALLOWABLENESS ALPHABETARIAN ALPHABETIFORM ALPHABETISERS ALPHABETISING ALPHABETIZERS ALPHABETIZING AMBASSADORIAL AMBISEXUALITY AMBIVALENCIES AMENABILITIES AMIABLENESSES AMICABILITIES AMPHIBLASTULA ANAEROBICALLY ANALPHABETICS ANALPHABETISM ANALYSABILITY ANALYZABILITY ANGLOPHOBIACS ANSWERABILITY ANTAGONISABLE ANTAGONIZABLE ANTIBACTERIAL ANTIBALLISTIC ANTIBILLBOARD ANTIBLACKISMS ANTICIPATABLE ANTIDIABETICS ANTIMETABOLES ANTIMETABOLIC ANTIMICROBIAL ANTISUBMARINE APPEALABILITY APPLICABILITY APPORTIONABLE ARABICISATION ARABICIZATION ARACHNOPHOBES ARACHNOPHOBIA ARACHNOPHOBIC ARBITRARINESS ARBITRATIONAL ARBITRATRICES ARBITRATRIXES ARBORISATIONS ARBORIZATIONS ARCHAEOBOTANY ARITHMOPHOBIA ASCERTAINABLE ASCERTAINABLY ASSEMBLAGISTS ASSEMBLAUNCES ASSEMBLYWOMAN ASSIBILATIONS ASSIGNABILITY ASSOCIABILITY ASSUBJUGATING ASTRAPOPHOBIA ASTROBOTANIES ATTAINABILITY ATTRIBUTIONAL AUTOBIOGRAPHY AUTOSTABILITY AVAILABLENESS BACCALAUREATE BACCHANALIANS BACKGAMMONING BACKPEDALLING BACKSCATTERED BACKSCRATCHED BACKSCRATCHER BACKSCRATCHES BACKSLAPPINGS BACKSTABBINGS BACKSTARTINGS BACKSTRAIGHTS BACKSWORDSMAN BACKTRACKINGS BACKWARDATION BACTERIOCIDAL BACTERIOPHAGE BACTERIOPHAGY BACTERIOSTATS BACTERISATION BACTERIZATION BALKANISATION BALKANIZATION BALLADMONGERS BALLANWRASSES BALLETOMANIAS BALLHANDLINGS BALLISTICALLY BALMORALITIES BALNEOLOGICAL BALNEOTHERAPY BALSAMIFEROUS BANALISATIONS BANALIZATIONS BANCASSURANCE BANDSPREADING BANKABILITIES BANTAMWEIGHTS BARAESTHESIAS BARBARIANISMS BARBARISATION BARBARIZATION BARBAROUSNESS BAREFACEDNESS BARNSBREAKING BASIFICATIONS BASKETBALLERS BASKETWEAVERS BATHYMETRICAL BEARABILITIES BEATIFICATION BEAUMONTAGUES BEHAVIOURALLY BETACAROTENES BIBLIOMANIACS BICAMERALISMS BICAMERALISTS BILATERALISMS BIOACCUMULATE BIOBEHAVIORAL BIODEGRADABLE BIOMECHANICAL BIOSTATICALLY BIPARTISANISM BLACKBALLINGS BLACKCURRANTS BLACKGUARDING BLACKGUARDISM BLADDERWRACKS BLAMEABLENESS BLASTULATIONS BLEPHAROPLAST BLEPHAROSPASM BOARDSAILINGS BODDHISATTVAS BOMBASTICALLY BORAGINACEOUS BOTANOMANCIES BOUGAINVILIAS BOUGAINVILLEA BOUILLABAISSE BRACHIOSAURUS BRACHYCEPHALS BRACHYCEPHALY BRACHYDACTYLY BRACHYTHERAPY BRADYKINESIAS BRAGGADOCIOUS BRAGGARTLIEST BRAINWASHINGS BRASSICACEOUS BREADBOARDING BREAKABLENESS BREAKDANCINGS BREATHABILITY BREATHALYSERS BREATHALYSING BREATHALYZERS BREATHALYZING BROADCASTINGS BRUTALISATION BRUTALIZATION BUREAUCRACIES BUREAUCRATESE BUREAUCRATISE BUREAUCRATISM BUREAUCRATIST BUREAUCRATIZE CABBALISTICAL CABINETMAKERS CABINETMAKING CALCULABILITY CAMPYLOBACTER CANCEROPHOBIA CANCERPHOBIAS CANNIBALISING CANNIBALISTIC CANNIBALIZING CANNONBALLING CAPABLENESSES CARBAMAZEPINE CARBOHYDRASES CARBOHYDRATES CARBONISATION CARBONIZATION CARBONYLATING CARBONYLATION CARBOXYLATING CARBOXYLATION CARBURISATION CARBURIZATION CARDBOARDIEST CARPETBAGGERS CARPETBAGGERY CARPETBAGGING CASTABILITIES CATABOLICALLY CATEGORIZABLE CAUSABILITIES CELIBATARIANS CHALLENGEABLE CHANGEABILITY CHARGEABILITY CHATEAUBRIAND CIRCUMAMBAGES CLAPPERBOARDS CLAVICEMBALOS CLEAVABLENESS COAGULABILITY COCARBOXYLASE COHABITATIONS COLLABORATING COLLABORATION COLLABORATIVE COLLABORATORS COMBINATIONAL COMBINATORIAL COMMEASURABLE COMPANIONABLE COMPANIONABLY COMPARABILITY CONFABULATING CONFABULATION CONFABULATORS CONFABULATORY CONFISCATABLE CONGRATULABLE CONSTRAINABLE CONTRABANDISM CONTRABANDIST CONTRABASSIST CONTRABASSOON CONTRABBASSOS CRYSTALISABLE CRYSTALIZABLE CYANOBACTERIA CYBERATTACKER DAMAGEABILITY DAMNABILITIES DAUGHTERBOARD DECARBONATING DECARBONATION DECARBONATORS DECARBOXYLASE DECARBOXYLATE DECARBURATION DECASYLLABICS DECASYLLABLES DEGRADABILITY DERMABRASIONS DETACHABILITY DIALYSABILITY DIALYZABILITY DIBRANCHIATES DIEFFENBACHIA DILATABLENESS DISAGREEABLES DISAMBIGUATED DISAMBIGUATES DISCHARGEABLE DISHABILITATE DRAPABILITIES DRAUGHTBOARDS EDUCATABILITY ELABORATENESS ELABORATORIES ELASMOBRANCHS EMBARRASSABLE EMBARRASSEDLY EMBARRASSMENT EQUIBALANCING ERASABILITIES ESTABLISHABLE EVAPORABILITY EXACERBATIONS EXAMINABILITY EXPANDABILITY FACTORABILITY FATIGABLENESS FAVORABLENESS FEATHERBRAINS FIBROMYALGIAS FIBROSARCOMAS FIBROVASCULAR FLABBERGASTED FLABELLATIONS FLAMBOYANCIES FLANNELBOARDS FRANCOPHOBIAS FUNAMBULATING FUNAMBULATION FUNAMBULATORS FUNAMBULATORY GENERALISABLE GENERALIZABLE GLIOBLASTOMAS GLOBALISATION GLOBALIZATION GRADABILITIES GRAPHITISABLE GRAPHITIZABLE GRAPHOPHOBIAS GUBERNATORIAL HABILITATIONS HABITABLENESS HAEMATOBLASTS HAIRSBREADTHS HANDSBREADTHS HANGABILITIES HARBORMASTERS HARDSCRABBLES HEARTBREAKERS HEARTBREAKING HEBDOMADARIES HEBRAISATIONS HEBRAIZATIONS HEMATOBLASTIC HEPTASYLLABIC HEXOBARBITALS HYPERVARIABLE IAMBOGRAPHERS ILLUSTRATABLE IMPALPABILITY IMPASSABILITY IMPLACABILITY IMPRACTICABLE IMPRACTICABLY IMPREGNATABLE INAPPRECIABLE INAPPRECIABLY INCAPABLENESS INDEFATIGABLE INDEFATIGABLY INDISSUADABLE INDISSUADABLY INELABORATELY INELABORATING INEXPLAINABLE INEXPLAINABLY INHABITANCIES INHABITATIONS INSATIABILITY INSUBSTANTIAL INTRACEREBRAL INTRAVERSABLE INVARIABILITY IRRECLAIMABLE IRRECLAIMABLY IRREPLACEABLE IRREPLACEABLY ISOCARBOXAZID JAWBREAKINGLY KATABOLICALLY LABANOTATIONS LABEFACTATION LABIALISATION LABIALIZATION LABYRINTHICAL LACTOBACILLUS LAMELLIBRANCH LANDBOARDINGS LAUDABILITIES LAUGHABLENESS LIBRARIANSHIP LUBRICATIONAL MACHINABILITY MAILABILITIES MALABSORPTION MALLEABLENESS MANAGEABILITY MANIPULATABLE MARIMBAPHONES MARKETABILITY MARSIPOBRANCH MASSARANDUBAS MASSERANDUBAS MASTURBATIONS MATCHBOARDING MEASURABILITY MEGALOBLASTIC MEMBRANACEOUS METABOLICALLY METABOLISABLE METABOLIZABLE METAGRABOLISE METAGRABOLIZE METASTABILITY MICROBALANCES MICROHABITATS MICROWAVEABLE MINERALISABLE MINERALIZABLE MOUNTAINBOARD MULTIVARIABLE MYCOBACTERIAL NAVIGABLENESS NEUROBLASTOMA NITROBACTERIA NONABSORBABLE NONALPHABETIC NONBEHAVIORAL NONBREAKABLES NONBROADCASTS NONCANCELABLE NONCOMBATANTS NONCOMPARABLE NONDEGRADABLE NONDETACHABLE NONDIALYSABLE NONDIALYZABLE NONFLAMMABLES NONLIBRARIANS NONMEASURABLE OBSERVATIONAL OBTAINABILITY OUTBARGAINING OVERABUNDANCE OVERBALANCING OVERELABORATE PACKABILITIES PAEDOBAPTISMS PAEDOBAPTISTS PAINTBALLINGS PALAEOBIOLOGY PALAEOBOTANIC PALATABLENESS PALEOBOTANIES PALEOBOTANIST PALPABILITIES PARABOLANUSES PARABOLICALLY PARAPHRASABLE PARASYMBIONTS PARASYMBIOSES PARASYMBIOSIS PARASYMBIOTIC PARTICLEBOARD PATENTABILITY PEACEABLENESS PENTABARBITAL PENTASYLLABIC PENTOBARBITAL PERAMBULATING PERAMBULATION PERAMBULATORS PERAMBULATORY PHENOBARBITAL PLACABILITIES PLASTERBOARDS PLAYABILITIES POLYCARBONATE PREAMBULATING PREAMBULATORY PREFABRICATED PREFABRICATES PREFABRICATOR PREMANDIBULAR PROBATIONALLY PROBLEMATICAL PROCARBAZINES PROGRAMMABLES PROPAGABILITY QUARTERBACKED RADIOLABELING RADIOLABELLED RATABLENESSES RATEABILITIES RATTLEBRAINED READABILITIES REALISABILITY REALIZABILITY REASONABILITY REASSEMBLAGES REBARBATIVELY REBROADCASTED RECALIBRATING RECALIBRATION RECALLABILITY REHABILITANTS REHABILITATED REHABILITATES REHABILITATOR REMARKABILITY REPAIRABILITY REPEATABILITY REVEALABILITY RHABDOMANCERS RHABDOMANCIES RHABDOMANTIST RHABDOMYOMATA ROADABILITIES SACRIFICEABLE SAILBOARDINGS SALABLENESSES SALEABILITIES SALVABILITIES SANDBLASTINGS SATANOPHOBIAS SATIABILITIES SAVABLENESSES SCALABILITIES SCATTERBRAINS SCRAPERBOARDS SCRATCHBOARDS SEARCHABILITY SEASONABILITY SECOBARBITALS SEMIABSTRACTS SEMICARBAZIDE SEMICARBAZONE SEPARABLENESS SHAMBOLICALLY SIMARUBACEOUS SKATEBOARDERS SKATEBOARDING SLAUGHTERABLE SOMNAMBULANCE SOMNAMBULANTS SOMNAMBULATED SOMNAMBULATES SOMNAMBULATOR SPERMATOBLAST SPREADABILITY STABILISATION STABILISATORS STABILIZATION STABILIZATORS STANDARDBREDS SUBAGGREGATES SUBALLOCATING SUBALLOCATION SUBALTERNANTS SUBALTERNATES SUBAPPEARANCE SUBARACHNOIDS SUBARCUATIONS SUBARRHATIONS SUBCLAVICULAR SUBDEACONATES SUBDIACONATES SUBEQUATORIAL SUBFACTORIALS SUBHASTATIONS SUBLANCEOLATE SUBLAPSARIANS SUBLIBRARIANS SUBMANDIBULAR SUBMARGINALLY SUBPARAGRAPHS SUBSATURATION SUBSIDIARIATS SUBSTANTIALLY SUBSTANTIATED SUBSTANTIATES SUBSTANTIATOR SUBTERNATURAL SUBTERRANEANS SUBTRIANGULAR SUBURBICARIAN SUPERABUNDANT SUPERANNUABLE SYBARITICALLY SYLLABICATING SYLLABICATION SYLLABOGRAPHY TALKABILITIES TAMABLENESSES TAMEABILITIES TAUTOSYLLABIC TAXABLENESSES TEACHABLENESS TERATOPHOBIAS TETRABASICITY TETRASYLLABIC TETRASYLLABLE THANATOPHOBIA THERMOBALANCE THIABENDAZOLE THIOCARBAMIDE TIMBROMANIACS TINTINNABULAR TOBACCANALIAN TRACEABLENESS TRACTABLENESS TRAILBLAZINGS TRAILBREAKERS TRANSCRIBABLE TRANSFERRABLE TRANSFORMABLE TRANSMEMBRANE TRANSMITTABLE TRANSPORTABLE TRISYLLABICAL TUBERCULOMATA TURBELLARIANS UBIQUITARIANS ULTRALIBERALS ULTRARELIABLE ULTRAWIDEBAND UNABBREVIATED UNACCOUNTABLE UNACCOUNTABLY UNAMIABLENESS UNASSIMILABLE UNASSIMILABLY UNASSUAGEABLE UNBARRICADING UNCHASTISABLE UNCHASTIZABLE UNCONCEALABLE UNCONTAINABLE UNDIAGNOSABLE UNEATABLENESS UNEMBARRASSED UNEXPLAINABLE UNEXPLAINABLY UNFALSIFIABLE UNFASHIONABLE UNFASHIONABLY UNGAINSAYABLE UNIMPEACHABLE UNIMPEACHABLY UNINFLAMMABLE UNINHABITABLE UNMISTAKEABLE UNMISTAKEABLY UNPERSUADABLE UNPLEASURABLE UNPLEASURABLY UNPOLARISABLE UNPOLARIZABLE UNPRACTICABLE UNPURCHASABLE UNQUALIFIABLE UNREADABILITY UNRECLAIMABLE UNRECLAIMABLY UNREPLACEABLE UNSALEABILITY UNSALVAGEABLE UNSALVAGEABLY UNSATISFIABLE UNSCABBARDING UNSEARCHABLES UNSTAUNCHABLE UNSUBSTANTIAL UNSURPASSABLE UNSURPASSABLY UNSUSTAINABLE UNSUSTAINABLY UNTAMABLENESS UNTRAVERSABLE UNWARRANTABLE UNWARRANTABLY UPGRADABILITY URBANISATIONS URBANIZATIONS VAGABONDISING VAGABONDIZING VAPOURABILITY VARIABILITIES VERBALISATION VERBALIZATION VIBRACULARIUM VIBRAHARPISTS VOCABULARIANS VOLATILISABLE VOLATILIZABLE VRAISEMBLANCE WAKEBOARDINGS WASHABILITIES WATERBOARDING WEARABILITIES WEATHERBOARDS WHATABOUTISMS XYLOBALSAMUMS ZALAMBDODONTS